Merge pull request #2478 from Arnaud-de-Grandmaison-ARM/workflow-fix

[Workflows] Only run the `sweep` job on the main repository.

Author: jasonrandrews

.github/workflows/last-reviewed-cron.yml

@@ -17,6 +17,7 @@ permissions:
 
 jobs:
   sweep:
+    if: github.repository == 'ArmDeveloperEcosystem/arm-learning-paths'
     runs-on: ubuntu-latest
     steps:
       - name: Move items based on Last Reviewed Date