run clippy in docker

.github/workflows/rclrs_humble.yml

@@ -18,4 +18,5 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - run: docker build . --file ./tests/Dockerfile_rclrs_humble --tag rclrs_humble
-    - run: docker run r2r_humble cargo test --features rclrs_msg
+    - run: docker run rclrs_humble cargo test
+    - run: docker run rclrs_humble cargo clippy --all-targets -- -D warnings

.github/workflows/tests.yml

@@ -2,7 +2,11 @@ name: Tests
 
 on:
   push:
+    branches-ignore:
+      - rclrs
   pull_request:
+    branches-ignore:
+      - rclrs
   workflow_dispatch:
 
 env: