ci: bump to lastest sha of angular/dev-infra's lock-closed action

Update to the latest lock-closed action to fix the link which is used.

Author: alan-agius4

.github/workflows/lock-closed.yml

@@ -9,6 +9,6 @@ jobs:
   lock_closed:
     runs-on: ubuntu-latest
     steps:
-      - uses: angular/dev-infra/github-actions/lock-closed@66462f6
+      - uses: angular/dev-infra/github-actions/lock-closed@414834b2b24dd2df37c6ed00808387ee6fd91b66
         with:
           lock-bot-key: ${{ secrets.LOCK_BOT_PRIVATE_KEY }}