[GHA] Prepare to run VSCode extension snapshot builds

.github/workflows/build-vscode-extension.yml

@@ -43,7 +43,7 @@ jobs:
         run: |
           ${{ github.workspace }}/.github/scripts/build-vscode-extension.sh ${{ inputs.extension-name }} ${{ inputs.dist }}
           ls ./vsix
-      - name: Upload Release
+      - name: Upload VSIX
         id: upload-release
         if: ${{ inputs.dist == 'release' }}
         run: |
@@ -58,7 +58,7 @@ jobs:
           aws s3 rm s3://$AWS_S3_BUCKET/$s3_path/ --recursive
           aws s3 cp ./vsix/$vsix_file s3://$AWS_S3_BUCKET/$s3_path/$vsix_file --no-progress
           echo "version=$base_version" >> $GITHUB_OUTPUT
-          echo "s3_url=https://cdn.spring.io/spring-tools/$s3_path/$vsix_file" >> $GITHUB_OUTPUT
+          echo "s3_url=${DOWNLOAD_URL_ROOT}/$s3_path/$vsix_file" >> $GITHUB_OUTPUT
       - id: tools-team-slack
         if: ${{ inputs.dist == 'release' }}
         uses: slackapi/slack-github-action@v1.26