chore: bump deps and pass rust 1.86 warnings (#12)

Author: eddyxu

.github/workflows/rust.yml

@@ -26,7 +26,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          toolchain: 1.83
           components: rustfmt, clippy
       - uses: Swatinem/rust-cache@v2
       - name: Check formatting
@@ -38,8 +37,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: 1.83
       - uses: rui314/setup-mold@v1
       - uses: Swatinem/rust-cache@v2
       - name: Install cargo-llvm-cov
@@ -56,12 +53,10 @@ jobs:
           flags: unittests
           fail_ci_if_error: false
   macos:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: 1.83
       - uses: Swatinem/rust-cache@v2
       - name: Run tests
         run: cargo test --all-features