build(deps): bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -17,7 +17,7 @@ jobs:
           - os: macos-14
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: rust-toolchain
         uses: dtolnay/rust-toolchain@stable
       - name: "`cargo check`"
@@ -54,7 +54,7 @@ jobs:
     timeout-minutes: 60
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
       - uses: taiki-e/setup-cross-toolchain-action@v1

.github/workflows/publish.yml

@@ -34,7 +34,7 @@ jobs:
     timeout-minutes: 60
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
       - uses: taiki-e/setup-cross-toolchain-action@v1

.github/workflows/release-pr.yml

@@ -27,7 +27,7 @@ jobs:
           app-id: ${{ secrets.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ steps.generate-token.outputs.token }}

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
           app-id: ${{ secrets.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
       - name: Checkout Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Extract version from PR title
         id: tag
         run: echo "${{ github.event.pull_request.title }}" | awk '{print "name="  $2}' >> "$GITHUB_OUTPUT"