chore: use stable clippy and format

Author: sunng87

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: nightly
+        toolchain: stable
         components: rustfmt
         override: true
     - run: cargo fmt -- --check
@@ -26,7 +26,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: nightly
+        toolchain: stable
         components: clippy
         override: true
     - name: Lint