Merge branch '6.3.x' into 6.4.x

Closes gh-16424

Author: sjohnr

.github/workflows/continuous-integration-workflow.yml

@@ -116,7 +116,7 @@ jobs:
   send-notification:
     name: Send Notification
     needs: [ perform-release ]
-    if: ${{ failure() || cancelled() }}
+    if: ${{ !success() }}
     runs-on: ubuntu-latest
     steps:
       - name: Send Notification