action: switch to minor-version agnostic ros-tool use

Author: TarikViehmann

.github/workflows/generate_docs.yaml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Setup ROS 2
-        uses: ros-tooling/setup-ros@v0.7.13
+        uses: ros-tooling/setup-ros@v0.7
         with:
           distribution: jazzy