add a PR comment when the temp release branch is updated

.github/workflows/build-pr.yml

@@ -25,6 +25,7 @@ jobs:
         run: npm run build
 
       - name: Create and push release branch
+        id: create_branch
         env:
           PR_NUMBER: ${{ github.event.pull_request.number }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -33,8 +34,39 @@ jobs:
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
           git checkout -b pr-releases/pr-${PR_NUMBER}
           git add -f build Sources
-          git commit -m "Add build folder for PR #${PR_NUMBER}"
+          git commit -m "Add build folder for PR ${PR_NUMBER}"
           git push -u origin pr-releases/pr-${PR_NUMBER} --force
+          echo "BRANCH_NAME=pr-releases/pr-${PR_NUMBER}" >> $GITHUB_ENV
+          echo "COMMIT_HASH=$(git rev-parse HEAD)" >> $GITHUB_ENV
+
+      - name: Post comment on PR
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const branchName = process.env.BRANCH_NAME;
+            const commitHash = process.env.COMMIT_HASH;
+            const prNumber = context.issue.number;
+            const repoUrl = `https://github.com/${context.repo.owner}/${context.repo.repo}`;
+            const branchUrl = `${repoUrl}/tree/${branchName}`;
+            const commitUrl = `${repoUrl}/commit/${commitHash}`;
+            const commentBody = `
+            ### Temporary Branch Update
+
+            The temporary branch has been updated with the latest changes. Below are the details:
+
+              - **Branch Name**: [${branchName}](${branchUrl})
+              - **Commit Hash**: [${commitHash}](${commitUrl})
+              - **Install Command**: \`npm i github:duckduckgo/content-scope-scripts#${commitHash}\`
+
+              Please use the above install command to update to the latest version.
+            `;
+
+            await github.rest.issues.createComment({
+                ...context.repo,
+                issue_number: prNumber,
+                body: commentBody
+            });
 
   clean_up:
     if: github.event.action == 'closed'