[PR #12157/7d8bf179 backport][stable-12] CI: improve nox GHA workflow (#12159)

CI: improve nox GHA workflow (#12157)

* Auto-cancel older PR nox runs.

* Use shared workflow.

(cherry picked from commit 7d8bf179e7)

Co-authored-by: Felix Fontein <felix@fontein.de>

.github/workflows/nox.yml

@@ -15,14 +15,14 @@ name: nox
     - cron: '0 8 * * *'
   workflow_dispatch:
 
+concurrency:
+  # Make sure there is at most one active run per PR, but do not cancel any non-PR runs
+  group: ${{ github.workflow }}-${{ (github.head_ref && github.event.number) || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   nox:
-    runs-on: ubuntu-latest
-    name: "Run extra sanity tests"
-    steps:
-      - name: Check out collection
-        uses: actions/checkout@v6
-        with:
-          persist-credentials: false
-      - name: Run nox
-        uses: ansible-community/antsibull-nox@main
+    uses: ansible-community/antsibull-nox/.github/workflows/reusable-nox-run.yml@main
+    with:
+      session-name: Run extra sanity tests
+      change-detection-in-prs: true