Add ID to create-pull-request action

Author: kenyonj

.github/workflows/collections-renames.yml

@@ -30,6 +30,7 @@ jobs:
         run: bundle exec rake collections
 
       - name: Commit changes and open PR
+        id: cpr
         uses: peter-evans/create-pull-request@v8
         with:
           commit-message: "✨ Autofixing renamed/removed collection items ✨"