Add clippy step to code quality configuration and update test configuration

.woodpecker/test.yml

@@ -1,11 +1,18 @@
-steps:
-  - name: clippy
-    image: rust:${RUST_VERSION}
+services:
+  - name: docker
+    image: docker:dind
+    privileged: true
     commands:
-      - rustup component add clippy
-      - cargo clippy --all-targets --all-features -- -D warnings
-    when:
-      - event: [push, pull_request]
+      - dockerd-entrypoint.sh &
+      - sleep 5
+
+steps:
+  - name: test
+    image: rust:${RUST_VERSION}
+    environment:
+      DOCKER_HOST: tcp://docker:2375
+    commands:
+      - cargo test --verbose
 
 matrix:
   RUST_VERSION: