chore(deps): bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

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

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
     name: "Node ${{ matrix.node }} on Linux: Lint and Test"
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup node
         uses: actions/setup-node@v2.4.1

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.KARMARUNNERBOT_GITHUB_TOKEN }}
       HUSKY: 0
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           token: ${{ env.GITHUB_TOKEN }}
       - uses: actions/setup-node@v2