build: use dtolnay/rust-toolchain, update ubuntu (LTS)

- avoid node 12 actions

.github/workflows/ci.yml

@@ -12,34 +12,21 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Install Rust
-      uses: actions-rs/toolchain@v1
+      uses: dtolnay/rust-toolchain@stable
       with:
-        profile: minimal
-        toolchain: stable
-        override: true
         components: rustfmt
-
     - name: Check format
-      uses: actions-rs/cargo@v1
-      with:
-        command: fmt
-        args: -- --check
+      run: cargo fmt --check
 
   clippy:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
           components: clippy
-      - uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: --all-targets --all-features -- -D warnings
+      - run: cargo clippy --all-targets --all-features -- -D warnings
 
   tests:
     name: Tests
@@ -49,20 +36,20 @@ jobs:
         build: [pinned, stable, nightly]
         include:
         - build: pinned
-          os: ubuntu-20.04
+          os: ubuntu-22.04
           rust: 1.65.0
         - build: stable
-          os: ubuntu-20.04
+          os: ubuntu-22.04
           rust: stable
         - build: nightly
-          os: ubuntu-20.04
+          os: ubuntu-22.04
           rust: nightly
     steps:
     - uses: actions/checkout@v3
     - name: Install Rust
-      uses: hecrj/setup-rust-action@v1
+      uses: dtolnay/rust-toolchain@master
       with:
-        rust-version: ${{ matrix.rust }}
+        toolchain: ${{ matrix.rust }}
 
     - name: Build System Info
       run: rustc --version