Bump actions/checkout from 6.0.2 to 7.0.1 (#151)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.2 to 7.0.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@de0fac2...3d3c42e)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 7.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/rubocop.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
 
       - name: Setup Ruby
         uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5