Update CI and add lint (#18)

* fix: update actions/checkout from v3 to v4

* update(CI): add clippy

.github/workflows/rust.yml

@@ -10,13 +10,17 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build:
+  build-and-lint:
 
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
+    - name: Setup
+      run: rustup component add clippy
     - name: Build
       run: cargo build --verbose
     - name: Run tests
       run: cargo test --verbose
+    - name: Lint
+      run: cargo clippy --all-targets --all-features