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] <support@github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -17,7 +17,7 @@ jobs:
       with:
         go-version: 1.17.2
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Vet
       run: make vet
     - name: Test

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
       with:
         go-version: 1.17.2
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Run GoReleaser
       if: contains(github.ref, 'tags/v')
       uses: goreleaser/goreleaser-action@v2