Use github action dtolnay/rust-toolchain@master instead of actions-rs/toolchain@v1

actions-rs/toolchain@v1 uses deprecated features and has not been updated for years

Author: jannic

.github/workflows/clippy.yml

@@ -9,12 +9,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
-          profile: minimal
           # embedded-hal-async needs nightly.
           # Use a pinned version to avoid spontaneous breakages (new clippy lints are added often)
           toolchain: nightly-2022-11-22
-          override: true
           components: clippy
       - run: cargo clippy -- --deny=warnings

.github/workflows/rustfmt.yml

@@ -10,10 +10,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
-          profile: minimal
           toolchain: nightly
-          override: true
           components: rustfmt
       - run: cargo fmt --check

.github/workflows/test.yml

@@ -27,12 +27,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
-          profile: minimal
           toolchain: ${{ matrix.rust }}
           target: ${{ matrix.target }}
-          override: true
 
       - run: sed -i '/nightly-only/d' Cargo.toml 
         if: matrix.rust != 'nightly'