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](https://github.com/actions/checkout/compare/v2...v3)

---
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

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/setup-go@v3
         with:
           go-version: ${{ env.GO_VERSION }}
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: golangci/golangci-lint-action@v3
         with:
           version: v1.48.0
@@ -39,7 +39,7 @@ jobs:
       - uses: actions/setup-go@v3
         with:
           go-version: ${{ env.GO_VERSION }}
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Run Tests
         run: make test
 
@@ -53,7 +53,7 @@ jobs:
       - uses: actions/setup-go@v3
         with:
           go-version: ${{ env.GO_VERSION }}
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Run Tests
         run: make envtest