chore(deps): bump actions/checkout from 5 to 6 (#1056)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -19,7 +19,7 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # Checkout all repo history to make tags available for figuring out kube-linter version during build.
           fetch-depth: 0
@@ -100,7 +100,7 @@ jobs:
     needs: build-and-test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download executable
         uses: actions/download-artifact@v6
@@ -147,7 +147,7 @@ jobs:
     needs: build-and-test
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # Checkout all repo history to make tags available for figuring out kube-linter version during build.
           fetch-depth: 0

.github/workflows/release.yaml

@@ -53,7 +53,7 @@ jobs:
         uses: sigstore/[email protected]
 
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0