chore(deps): bump actions/checkout from 6 to 6.0.2

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 6.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v6.0.2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/update-infrastructure-repo.yaml

@@ -76,7 +76,7 @@ jobs:
           GH_TOKEN: ${{ steps.generate_token.outputs.token }}
 
       - name: Clone the repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
         with:
           repository: ${{ inputs.source-github-repo }}
           ref: main
@@ -134,7 +134,7 @@ jobs:
 
       - name: Checkout engineering-github-actions to access scripts from caller
         if: ${{ inputs.preserve-closed-pr-bodies}}
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
         with:
           repository: coopnorge/engineering-github-actions
           ref: main