chore(gh-actions-deps): update anchore/sbom-action action to v0.20.0 in all dependant reusable workflows (#515)

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

Author: renovate[bot]

.github/workflows/_reusable-sbom-scan.yml

@@ -20,7 +20,7 @@ jobs:
           pip install poetry
           poetry install
       - name: Create SBOM
-        uses: anchore/sbom-action@9f7302141466aa6482940f15371237e9d9f4c34a # v0.19.0
+        uses: anchore/sbom-action@e11c554f704a0b820cbf8c51673f6945e0731532 # v0.20.0
         with:
           format: spdx-json
           output-file: ${{ github.event.repository.name }}-sbom.spdx.json