Bump actions/checkout from 5 to 6 (#66)

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions-rust-lang/setup-rust-toolchain@v1
     - name: Install cargo binstall
       uses: cargo-bins/cargo-binstall@main
@@ -50,7 +50,7 @@ jobs:
         - target: x86_64-apple-darwin
           os: macos-13
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions-rust-lang/setup-rust-toolchain@v1
       with:
         target: ${{ matrix.target }}
@@ -82,7 +82,7 @@ jobs:
       packages: write
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions-rust-lang/setup-rust-toolchain@v1
     - name: Install cargo binstall
       uses: cargo-bins/cargo-binstall@main