chore: fix things up

.github/workflows/ci.yml

@@ -1,14 +1,11 @@
 name: CI
-
 on:
   push:
     branches: [main]
   pull_request:
     branches: [main]
-
 env:
   CARGO_TERM_COLOR: always
-
 jobs:
   check:
     name: Check (${{ matrix.toolchain }})
@@ -17,31 +14,25 @@ jobs:
       matrix:
         toolchain: [stable, nightly]
     steps:
-      - uses: actions/checkout@v4
-
+      - uses: actions/checkout@v6
       - name: Install Rust ${{ matrix.toolchain }}
         uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
           components: rustfmt, clippy
-
       - name: Cache cargo registry and build
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
             target
           key: ${{ runner.os }}-cargo-${{ matrix.toolchain }}-${{ hashFiles('**/Cargo.toml') }}
-
       - name: Check formatting
         run: cargo fmt --check
-
       - name: Run clippy
         run: cargo clippy -- -D warnings
-
       - name: Build
         run: cargo build
-
       - name: Run tests
         run: cargo test