ci(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.yaml

@@ -11,7 +11,7 @@ jobs:
       matrix:
         node-version: [12, 14, 16, 'lts/*']
     steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v4
         - name: Use Node.js ${{ matrix.node-version }}
           uses: actions/setup-node@v3
           with:

.github/workflows/release.yaml

@@ -12,7 +12,7 @@ jobs:
         node-version: [16]
     steps:
       - name: Check out
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.GH_TOKEN }}
       - name: Use Node.js ${{ matrix.node-version }}