chore(deps): update anchore/sbom-action action to v0.20.6 (#771)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yml

@@ -40,7 +40,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Set up Syft
-        uses: anchore/sbom-action/download-syft@v0.20.5
+        uses: anchore/sbom-action/download-syft@v0.20.6
         with:
           syft-version: "v0.80.0"