adding sanitized tests

.github/workflows/ubuntu22-sanitize.yml

@@ -0,0 +1,16 @@
+name: Ubuntu 22.04 CI Sanitized (GCC 11)
+
+on: [push, pull_request]
+
+jobs:
+  ubuntu-build:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use cmake
+        run: |
+          mkdir build &&
+          cd build &&
+          cmake -DFASTFLOAT_TEST=ON -D FASTFLOAT_SANITIZE=ON  ..  &&
+          cmake --build .   &&
+          ctest --output-on-failure