[bfops/unity-test-tweaks]: remove cancel previous behavior

Author: bfops

.github/workflows/csharp-test.yml

@@ -40,9 +40,10 @@ jobs:
     needs: gate
     runs-on: ubuntu-latest
     # Cancel any previous testsuites running on the same PR and/or ref.
-    concurrency:
-      group: ci-${{ github.event.pull_request.number || github.ref }}
-      cancel-in-progress: true
+# TODO: Uncomment this before merging!
+#    concurrency:
+#      group: ci-${{ github.event.pull_request.number || github.ref }}
+#      cancel-in-progress: true
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4