NightlyAdmin: call correct closer

Author: gtjoseph

.github/workflows/NightlyAdmin.yml

@@ -6,4 +6,4 @@ on:
 
 jobs:
   CloseStaleIssues:
-    uses: asterisk/asterisk-ci-actions/.github/workflows/CloseStaleIssuesAndPRs.yml@main-close-stale
+    uses: asterisk/asterisk-ci-actions/.github/workflows/CloseStaleIssuesAndPRs.yml@main