Use stable in CI for clippy, rustfmt. Update nightly for rustdoc.

Author: Dirbaio

.github/workflows/clippy.yml

@@ -11,10 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          # embedded-hal-async needs nightly.
-          # Use a pinned version to avoid spontaneous breakages (new clippy lints are added often)
-          toolchain: nightly-2023-10-14
           components: clippy
       - run: cargo clippy --all-features -- --deny=warnings

.github/workflows/rustdoc.yml

@@ -13,6 +13,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: nightly-2023-10-14
+          toolchain: nightly-2024-07-26
       # tokio/net required to workaround https://github.com/tokio-rs/tokio/issues/6165
       - run: RUSTDOCFLAGS="--deny=warnings --cfg=docsrs" cargo doc --all-features --features tokio/net

.github/workflows/rustfmt.yml

@@ -12,8 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: nightly
           components: rustfmt
       - run: cargo fmt --check