CI: Cancel 32 bit when another job is started (#51465)

* CI: Cancel 32 bit when another job is started

* Update .github/workflows/32-bit-linux.yml

Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>

---------

Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>

Author: phofl

.github/workflows/32-bit-linux.yml

@@ -52,3 +52,7 @@ jobs:
           name: Test results
           path: test-data.xml
         if: failure()
+    concurrency:
+      # https://github.community/t/concurrecy-not-work-for-push/183068/7
+      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-32bit
+      cancel-in-progress: true