build(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

@@ -10,7 +10,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Setup Ruby
         uses: ruby/setup-ruby@9eb537ca036ebaed86729dcb9309076e4c5c3b74
         with:
@@ -23,7 +23,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Setup Ruby
         uses: ruby/setup-ruby@9eb537ca036ebaed86729dcb9309076e4c5c3b74
         with:
@@ -36,7 +36,7 @@ jobs:
   docs-coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Setup Ruby
         uses: ruby/setup-ruby@9eb537ca036ebaed86729dcb9309076e4c5c3b74
         with:
@@ -49,7 +49,7 @@ jobs:
   tests-coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Setup Ruby
         uses: ruby/setup-ruby@9eb537ca036ebaed86729dcb9309076e4c5c3b74
         with: