Bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ jobs:
   golangci:
     runs-on: ubuntu-latest
     steps: 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: '0'
       - uses: actions/setup-go@v4
@@ -17,7 +17,7 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: '0'
       - uses: actions/setup-go@v4
@@ -40,7 +40,7 @@ jobs:
     outputs:
       new_tag: ${{ steps.tag_action.outputs.new_tag }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: '0'
       - name: Bump version and push tag
@@ -66,7 +66,7 @@ jobs:
           - goarch: "386"
             goos: darwin
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: '0'
       - uses: actions/setup-go@v4
@@ -98,7 +98,7 @@ jobs:
     if: github.ref == 'refs/heads/main'
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: '0'
       - name: Set up QEMU