Outputting diff PR link as well

Author: tauhid621

.github/workflows/sync-docs-for-tfe.yml

@@ -116,3 +116,4 @@ jobs:
           diff_pr_url=$(gh pr view --json url --jq '.url')
           echo "diff_branch_pr_url=${diff_pr_url}" >> $GITHUB_OUTPUT
           echo "**Updated DIFF branch**: ${{env.diff_branch_name}}" >> $GITHUB_STEP_SUMMARY
+          echo "**TFE DIFF PR URL**: ${diff_branch_pr_url}" >> $GITHUB_STEP_SUMMARY