avoid running automatic deps changesets on forks

Author: dotansimha

.github/workflows/dependencies-changesets.yml

@@ -7,6 +7,7 @@ on:
 jobs:
   changeset:
     runs-on: ubuntu-latest
+    if: github.event.pull_request.head.repo.full_name == github.repository
     steps:
       - name: Checkout
         uses: actions/checkout@v3