Replace actions-rs/toolchain with dtolnay/rust-toolchain

See https://github.com/actions-rs/toolchain/issues/216; actions-rs seems
to be unmaintained.

.github/workflows/build-aya-bpf.yml

@@ -28,11 +28,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: nightly
           components: rust-src
-          override: true
 
       - uses: Swatinem/rust-cache@v1
 

.github/workflows/build-aya.yml

@@ -26,10 +26,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
-          override: true
 
       - uses: taiki-e/install-action@cargo-hack
       - name: Check

.github/workflows/gen.yml

@@ -18,12 +18,10 @@ jobs:
         working-directory: libbpf
         run: echo "LIBBPF_SHA=$(git rev-parse HEAD)" >> $GITHUB_ENV
 
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
-          profile: minimal
           toolchain: nightly
           components: rustfmt, clippy
-          override: true
 
       - uses: Swatinem/rust-cache@v1
 

.github/workflows/lint.yml

@@ -20,12 +20,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
-          profile: minimal
           toolchain: nightly
           components: rustfmt, clippy, miri, rust-src
-          override: true
 
       - name: Check formatting
         run: |