Bump actions/checkout from 5.0.1 to 6.0.0 (#160)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.1 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@93cb6ef...1af3b93)

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

Author: dependabot[bot]

.github/workflows/lint.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c
         with:
           go-version: '1.22.x'
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - name: golangci-lint
         uses: golangci/golangci-lint-action@e7fa5ac41e1cf5b7d48e45e42232ce7ada589601
         with:

.github/workflows/test-e2e-flow.yml

@@ -21,7 +21,7 @@ jobs:
           go-version: 1.22.x
 
       - name: Checkout updated scai-gen CLI tools
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
 
       - name: Setup Env
         run: |

.github/workflows/test-sigstore-integration.yml

@@ -22,7 +22,7 @@ jobs:
           go-version: 1.20.x
 
       - name: Checkout updated scai-gen CLI tools
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
 
       - name: Setup Env
         run: |