chore(ci): enforce clippy in github actions

Author: xmonader

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
-          components: rustfmt
+          components: rustfmt, clippy
 
       - name: Cache cargo artifacts
         uses: Swatinem/rust-cache@v2
@@ -34,6 +34,9 @@ jobs:
       - name: Run tests
         run: cargo test --locked
 
+      - name: Run clippy
+        run: cargo clippy --locked --all-targets --all-features -- -D warnings
+
       - name: Check examples
         run: cargo check --locked --examples