style: add a comment with a link to the action's repository

Author: php-coder

.github/workflows/integration-tests.yml

@@ -32,7 +32,7 @@ jobs:
         run: ./src/main/scripts/execute-command.sh integration-tests
       - name: Save RobotFramework reports
         if: ${{ failure() }}
-        uses: actions/[email protected]
+        uses: actions/[email protected] # https://github.com/actions/upload-artifact
         with:
           name: robotframework-reports
           path: target/robotframework-reports/