modernized actions workflow

Author: RPG-Alex

.github/workflows/rust.yml

@@ -47,13 +47,14 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - name: Install Rust
-      uses: dtolnay/rust-toolchain@stable
-      with:
-        components: rustfmt
-    - name: Check formatting
-      run: cargo fmt --all -- --check
+      - uses: actions/checkout@v4
+      - name: Install Rust nightly with rustfmt
+        uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: rustfmt
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+
 
   format:
     name: TOML Check Format