chore(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/release_gem.yml

@@ -14,7 +14,7 @@ jobs:
       version: ${{ steps.release-gem.outputs.version }}
       increment: ${{ steps.release-gem.outputs.increment }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - id: release-gem

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
         ruby_version: ["2.7", "3.0", "3.1", "3.2"]
         os: ["ubuntu-latest","windows-latest","macos-latest"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby_version }}