Ty to run github action inside container

Signed-off-by: LucasHaug <[email protected]>

.github/workflows/main.yml

@@ -5,18 +5,10 @@ on: [push, pull_request] # on all pushes and PRs
 jobs:
   ros1_bridge:
     runs-on: ubuntu-20.04
+    container:
+      image: ros:rolling-ros1-bridge
     steps:
       - uses: actions/checkout@v2
-      - name: Workaround for https://github.com/actions/runner-images/issues/675
-        run: |
-          sudo sed -i 's/azure\.//' /etc/apt/sources.list
-      - uses: ros-tooling/[email protected]
-        with:
-          required-ros-distributions: "noetic rolling"
       - name: Build and test ros1-bridge
-        uses: ros-tooling/[email protected]
-        with:
-          package-name: ros1_bridge
-          target-ros1-distro: noetic
-          target-ros2-distro: rolling
-
+        run: |
+          /ros_entrypoint.sh colcon build --allow-overriding ros1_bridge