chore: added code coverage and caching

Author: yawn

.github/workflows/rust.yml

@@ -2,21 +2,25 @@ name: Rust
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ["main"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 env:
+  CARGO_INCREMENTAL: 0
+  CARGO_PROFILE_TEST_DEBUG: 0
   CARGO_TERM_COLOR: always
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Build
-      run: cargo build
-    - name: Run tests
-      run: cargo test --verbose
+      - uses: actions/checkout@v5
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo test --locked
+      - run: cargo clippy --locked
+      - run: |
+          cargo install cargo-llvm-cov
+          cargo llvm-cov --locked