chore(ci): bump radiorabe/actions from 0.20.7 to 0.20.8 (#44)

Bumps [radiorabe/actions](https://github.com/radiorabe/actions) from 0.20.7 to 0.20.8.
- [Release notes](https://github.com/radiorabe/actions/releases)
- [Commits](radiorabe/actions@v0.20.7...v0.20.8)

---
updated-dependencies:
- dependency-name: radiorabe/actions
  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/schedule.yaml

@@ -7,6 +7,6 @@ on:
 
 jobs:
   schedule-trivy:
-    uses: radiorabe/actions/.github/workflows/[email protected].7
+    uses: radiorabe/actions/.github/workflows/[email protected].8
     with:
       image-ref: 'ghcr.io/radiorabe/roundcubemail:latest'