chore(deps): update anchore/sbom-action action to v0.20.6 (#349)

Author: renovate[bot]

.github/workflows/release.yaml

@@ -76,7 +76,7 @@ jobs:
       - name: Set up git user
         uses: fregante/setup-git-user@v2
       - name: Download syft (SBOM)
-        uses: anchore/sbom-action/[email protected].5
+        uses: anchore/sbom-action/[email protected].6
 
       # Bumping logic
       - name: Get next version