Save and upload PR info for linter

Added steps to save and upload pull request information.

Author: pahud

.github/workflows/codebuild-pr-build.yml

@@ -89,3 +89,17 @@ jobs:
           path: |
             ~/.docker-images.tar
           key: docker-cache-${{ runner.os }}
+          
+      - name: Save PR info for PR Linter
+        if: github.event_name == 'pull_request'
+        run: |
+          mkdir -p ./pr
+          echo ${{ github.event.pull_request.number }} > ./pr/pr_number
+          echo ${{ github.event.pull_request.head.sha }} > ./pr/pr_sha
+
+      - name: Upload PR info artifact
+        if: github.event_name == 'pull_request'
+        uses: actions/upload-artifact@v5
+        with:
+          name: pr_info
+          path: pr/