Add concurrency groups based on commit SHA

This is intended to avoid duplicate runs of Quick Checks when a new push is sent to a branch with an open PR.

.github/workflows/checks-merge-feature-branch.yml

@@ -23,6 +23,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.sha }}
+  cancel-in-progress: true
+
 jobs:
  quick-checks:
   uses: ./.github/workflows/checks.yml

.github/workflows/checks-merge-protected-branch.yml

@@ -17,6 +17,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.sha }}
+  cancel-in-progress: true
+
 jobs:
  quick-checks:
   uses: ./.github/workflows/checks.yml

.github/workflows/checks-pr-events.yml

@@ -21,6 +21,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.sha }}
+  cancel-in-progress: true
+
 jobs:
  quick-checks:
   uses: ./.github/workflows/checks.yml