Update anchore/sbom-action action to v0.20.9 (#4092)

| datasource  | package             | from    | to      |
| ----------- | ------------------- | ------- | ------- |
| github-tags | anchore/sbom-action | v0.20.8 | v0.20.9 |

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -285,7 +285,7 @@ jobs:
 
       - name: Download Syft
         if: ${{ inputs.is_production_release }}
-        uses: anchore/sbom-action/download-syft@aa0e114b2e19480f157109b9922bda359bd98b90 # v0.20.8
+        uses: anchore/sbom-action/download-syft@8e94d75ddd33f69f691467e42275782e4bfefe84 # v0.20.9
 
       - name: Install Cosign
         if: ${{ inputs.is_production_release }}