fix(deps): bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

---
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/ci.yml

@@ -27,11 +27,11 @@ jobs:
     steps:
       - name: Check out repository (push)
         if: ${{ github.event_name == 'push' || github.event_name == 'pull_request_target' || github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' }}
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Check out repository (pull_request_target)
         if: ${{ github.event_name == 'pull_request_target' }}
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           ref: ${{ github.event.pull_request.head.sha }}