Bump actions/checkout from 2.4.0 to 3.0.2

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.4.0 to 3.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.4.0...v3.0.2)

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

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -9,14 +9,14 @@ jobs:
     # Execute the checks inside the container instead the VM.
     container: golangci/golangci-lint:v1.31.0-alpine
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3.0.2
       - run: golangci-lint run -E goimports
 
   unit-test:
     name: Unit test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3.0.2
       - uses: actions/setup-go@v2.2.0
         with:
           go-version: 1.17
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [check, unit-test]
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3.0.2
       - uses: actions/setup-go@v2.2.0
         with:
           go-version: 1.17