Test colouring clippy output

.gitlab-ci.yml

@@ -278,7 +278,7 @@ test:cargo:
     - rustc --version && cargo --version # Print version info for debugging
     - cargo fmt --all -- --check
     - cargo test --workspace --verbose --locked
-    - cargo clippy
+    - cargo clippy --color always
 
 test:sytest:
   stage: "test"