feat: add repository URL to action PR message

action.yaml

@@ -133,6 +133,6 @@ runs:
         gh auth login --with-token <<< ${{ steps.app-token.outputs.token }}
         gh pr create \
           --title "chore: Update ${{ inputs.name }} subgraph to ${{ github.ref_name }}" \
-          --body "" \
+          --body "- [Repository](${{ github.repositoryUrl }})" \
           --head ${{ inputs.name }}-${{ github.ref_name }} \
           --base main