⚙️ Chore: Update build-example-ios-for-pr Workflow

Author: dominicstop

.github/workflows/build-example-ios-for-pr.yml

@@ -17,6 +17,15 @@ jobs:
       - name: Cancel previous runs
         uses: styfle/cancel-workflow-action@0.9.1
 
+      - name: Checkout Pull Request
+          env:
+            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          run: |
+            PR_URL="${{ github.event.issue.pull_request.url }}"
+            PR_NUM=${PR_URL##*/}
+            echo "Checking out from PR #$PR_NUM based on URL: $PR_URL"
+            hub pr checkout $PR_NUM
+
       - name: Get branch of PR
         uses: xt0rted/pull-request-comment-branch@v3
         id: comment-branch