gha: bump anchore/scan-action from 3.6.3 to 3.6.4 (#2935)

Bumps [anchore/scan-action](https://github.com/anchore/scan-action) from 3.6.3 to 3.6.4.
- [Release notes](https://github.com/anchore/scan-action/releases)
- [Changelog](https://github.com/anchore/scan-action/blob/main/CHANGELOG.md)
- [Commits](anchore/scan-action@1c57367...3343887)

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

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

.github/workflows/scan.yml

@@ -79,7 +79,7 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v2.4.0
 
       - name: Run Anchore to check ${{ matrix.image }} Docker image for vulnerabilities
-        uses: anchore/scan-action@1c57367e29d11f99ae56571e49f95f1a1991945e # v3.6.3
+        uses: anchore/scan-action@3343887d815d7b07465f6fdcd395bd66508d486a # v3.6.4
         id: anchore-scan
         with:
           #image: 'docker.io/${{ github.actor }}/${{ matrix.image }}:latest'