Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
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/golangci-lint.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/setup-go@v3
         with:
           go-version: 1.18
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/setup-go@v3
         with:
           go-version: 1.18
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make test
 
   codecov:
@@ -25,6 +25,6 @@ jobs:
       - uses: actions/setup-go@v3
         with:
           go-version: 1.18
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make coverage
       - run: bash <(curl -s https://codecov.io/bash)