[CI] Update branch of reusable workflow (ros-controls#1135)

* Update branch of reusable workflow

* Include workflow file to paths filter

Author: christophfroehlich

.github/workflows/rolling-check-docs.yml

@@ -9,10 +9,11 @@ on:
       - '**.rst'
       - '**.md'
       - '**.yaml'
+      - '.github/workflows/rolling-check-docs.yml'
 
 jobs:
   check-docs:
     name: Check Docs
-    uses: ros-controls/control.ros.org/.github/workflows/reusable-sphinx-check-single-version.yml@master
+    uses: ros-controls/control.ros.org/.github/workflows/reusable-sphinx-check-single-version.yml@rolling
     with:
       ROS2_CONTROLLERS_PR: ${{ github.ref }}