Update github actions

Author: garyservin

.github/workflows/main.yaml

@@ -16,10 +16,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v1
-      - uses: ros-tooling/[email protected].0
+      - uses: ros-tooling/[email protected]
         with:
           required-ros-distributions: ${{ matrix.distro }}
       - run: sudo apt remove python3-openssl -y
-      - uses: ros-tooling/action-ros-ci@0.3.5
+      - uses: ros-tooling/action-ros-ci@0.4
         with:
           target-ros1-distro: ${{ matrix.distro }}