CI: cancel superseded workflow runs (#1557)

* Update _index.md

* Update _index.md

* ci: cancel superseded workflow runs

* ci: serialize documentation deployments

---------

Co-authored-by: John Wellbelove <jwellbelove@users.noreply.github.com>

.github/workflows/bazel-gcc-c++23-no-stl.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-bazel-gcc-cpp23-no-stl:

.github/workflows/clang-c++11.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-clang-cpp11-linux-stl:

.github/workflows/clang-c++14.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-clang-cpp14-linux-stl:

.github/workflows/clang-c++17.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-clang-cpp17-linux-stl:

.github/workflows/clang-c++20.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-clang-cpp20-linux-stl-libcxx:

.github/workflows/clang-c++23.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-clang-cpp23-linux-stl-libcxx:

.github/workflows/clang-c++26.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-clang-cpp26-linux-stl-libcxx:

.github/workflows/clang-format.yaml

@@ -7,6 +7,10 @@ on:
     branches: [ master, development, pull-request/* ]
     types: [opened, synchronize, reopened]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   clang-format:
     name: clang-format

.github/workflows/clang-format_update.yaml

@@ -3,6 +3,10 @@ name: clang-format-update
 on:
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   clang-format:
     runs-on: ubuntu-24.04

.github/workflows/clang-syntax-checks.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build-clang-cpp03-linux-STL:
     name: Syntax Check - Clang C++03 Linux STL

.github/workflows/clang-tidy.yaml

@@ -31,6 +31,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   clang-tidy:
     name: clang-tidy

.github/workflows/coverage.yml

@@ -31,9 +31,8 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
-# Allow only one concurrent deployment to GitHub Pages
 concurrency:
-  group: coverage-${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 # Grant GITHUB_TOKEN the minimum permissions needed at the workflow level

.github/workflows/deploy-etl-documentation.yml

@@ -4,6 +4,10 @@ on:
   push:
     branches: [ master ]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
 jobs:
   deploy:
     runs-on: ubuntu-latest

.github/workflows/gcc-c++11.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   
   build-gcc-cpp11-linux-stl:

.github/workflows/gcc-c++14.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp14-linux-stl:

.github/workflows/gcc-c++17.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp17-linux-stl:

.github/workflows/gcc-c++20.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp20-linux-stl:

.github/workflows/gcc-c++23-armhf.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp23-linux-no-stl-armhf:

.github/workflows/gcc-c++23-i386.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp23-linux-no-stl-i386:

.github/workflows/gcc-c++23-powerpc.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp23-linux-no-stl-powerpc:

.github/workflows/gcc-c++23-riscv64.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp23-linux-no-stl-riscv64:

.github/workflows/gcc-c++23-s390x.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp23-linux-no-stl-s390x:

.github/workflows/gcc-c++23.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp23-linux-stl:

.github/workflows/gcc-c++26.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-gcc-cpp26-linux-stl:

.github/workflows/gcc-syntax-checks.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build-gcc-cpp03-linux-STL:
     name: Syntax Check - GCC C++03 Linux STL

.github/workflows/generator.yml

@@ -6,6 +6,10 @@ on:
     branches: [ master, pull-request/* ]
     types: [opened, synchronize, reopened]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   generator-run:
     name: Header Generator

.github/workflows/meson-gcc-c++23-no-stl.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-meson-gcc-cpp23-no-stl:

.github/workflows/msvc.yml

@@ -30,6 +30,10 @@ on:
       - 'subprojects/**'
       - '.devcontainer/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build-windows-msvc-stl:
     name: Windows - STL

.github/workflows/platformio-update.yml

@@ -4,6 +4,10 @@ on:
   release:
     types: [published]  # Trigger only when a GitHub release is published
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   publish:
     runs-on: ubuntu-latest