chore: Switch to rust-toolchain.toml

Signed-off-by: Xuanwo <github@xuanwo.io>

.github/workflows/coverage.yaml

@@ -36,10 +36,6 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: true
-      - name: Install rust toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          components: rustfmt, clippy
       - name: Cache
         uses: actions/cache@v4
         with:

.github/workflows/pypi.yml

@@ -40,7 +40,6 @@ jobs:
           args: --out dist
       - name: "Test sdist"
         run: |
-          rustup default $(cat rust-toolchain)
           pip install dist/${{ env.PACKAGE_NAME }}-*.tar.gz --force-reinstall
           sg --help
       - name: "Upload sdist"
@@ -181,7 +180,7 @@ jobs:
       - macos-x86_64
       - windows
       - linux
-        # - linux-cross I would want to support linux-cross but it is too hard for me to compile c projects for tree-sitter-languages
+      # - linux-cross I would want to support linux-cross but it is too hard for me to compile c projects for tree-sitter-languages
     # If you don't set release flag, it's a dry run (no uploads).
     if: "startsWith(github.event.ref, 'refs/tags') || inputs.need_release"
     environment:

rust-toolchain

@@ -1 +0,0 @@
-stable

rust-toolchain.toml

@@ -0,0 +1,3 @@
+[toolchain]
+channel = "stable"
+components = ["rustfmt", "clippy"]