build(deps): bump anchore/scan-action from 4 to 6

Bumps [anchore/scan-action](https://github.com/anchore/scan-action) from 4 to 6.
- [Release notes](https://github.com/anchore/scan-action/releases)
- [Changelog](https://github.com/anchore/scan-action/blob/main/CHANGELOG.md)
- [Commits](anchore/scan-action@v4...v6)

---
updated-dependencies:
- dependency-name: anchore/scan-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/grype.yaml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: anchore/scan-action@v4
+      - uses: anchore/scan-action@v6
         with:
           path: "."
           fail-build: true