chore(deps): bump actions/checkout from 6 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
         go: [oldstable, stable]
         os: [ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go }}

.github/workflows/pr-checks.yml

@@ -10,7 +10,7 @@ jobs:
   go-mod:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-go@v6
         with:
           go-version: stable
@@ -26,7 +26,7 @@ jobs:
         go: [oldstable, stable]
         os: [ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go }}
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 1
       - uses: codespell-project/actions-codespell@v2
@@ -54,23 +54,23 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Actions Repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Check spelling of entire workspace
         uses: crate-ci/typos@v1
   markdownlint:
     name: markdownlint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: DavidAnson/markdownlint-cli2-action@v23
         with:
           globs: '**/*.md'
   yamllint:
     name: 'yamllint'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: karancode/yamllint-github-action@master
         with:
           yamllint_comment: true