Use action that respects rust-toolchain file

Author: define-null

.github/workflows/tests.yaml

@@ -21,10 +21,8 @@ jobs:
       - uses: actions/checkout@v4
         with:
           lfs: true
-
-      - uses: dtolnay/rust-toolchain@master
+      - uses: dsherret/rust-toolchain-file@v1
       - uses: Swatinem/rust-cache@v2
-
       - name: Run tests
         run: cargo test --workspace --verbose
 
@@ -34,9 +32,7 @@ jobs:
     if: github.event_name == 'push' || !github.event.pull_request.draft
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
-        with:
-          components: rustfmt
+      - uses: dsherret/rust-toolchain-file@v1
       - run: cargo fmt --all -- --check
 
   clippy:
@@ -45,8 +41,6 @@ jobs:
     if: github.event_name == 'push' || !github.event.pull_request.draft
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
-        with:
-          components: clippy
+      - uses: dsherret/rust-toolchain-file@v1
       - uses: Swatinem/rust-cache@v2
       - run: cargo clippy --all-targets --all-features -- -D warnings

rust-toolchain.toml

@@ -1,2 +1,3 @@
 [toolchain]
 channel = "1.89"
+components = [ "rustfmt", "clippy" ]