Build/Test Tools: Allow upgrade tests for multiple versions.

This adds the `new-version` input to the concurrency group name to prevent manually dispatched workflow runs from cancelling each other when different versions are being tested.

See #62221.

git-svn-id: https://develop.svn.wordpress.org/trunk@59973 602fd350-edb4-49c9-b593-d223f7449a82

Author: desrosj

.github/workflows/upgrade-testing.yml

@@ -27,7 +27,7 @@ on:
 concurrency:
   # The concurrency group contains the workflow name and the branch name for pull requests
   # or the commit hash for any other events.
-  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+  group: ${{ github.workflow }}-${{ inputs.new-version || github.event_name == 'pull_request' && github.head_ref || github.sha }}
   cancel-in-progress: true
 
 # Disable permissions for all available scopes by default.