chore: bump actions/checkout from 5.0.0 to 6.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5.0.0...v6.0.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/push.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.0
       - name: Get go.mod details
         uses: Eun/go-mod-details@v1.0.7
         id: go-mod-details
@@ -31,7 +31,7 @@ jobs:
     name: Vulnerability scanner
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@v6.0.0
       - uses: actions/setup-go@v5
       # we cannot use nancy-github-action because it is outdated, so it's better to use the latest
       # docker image for the validation
@@ -46,7 +46,7 @@ jobs:
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.0
       - name: Get go.mod details
         uses: Eun/go-mod-details@v1.0.7
         id: go-mod-details

.github/workflows/release_published.yml

@@ -10,7 +10,7 @@ jobs:
     permissions: write-all
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@v6.0.0
       - name: Login to Docker Registry
         uses: docker/login-action@v3.5.0
         with: