chore(deps): update slsa-framework/slsa-github-generator action to v1.9.1

Author: renovate[bot]

.github/workflows/generator-generic-ossf-slsa3-publish.yml

@@ -60,7 +60,7 @@ jobs:
       actions: read   # To read the workflow path.
       id-token: write # To sign the provenance.
       contents: write # To add assets to a release.
-    uses: slsa-framework/slsa-github-generator/.github/workflows/[email protected].0
+    uses: slsa-framework/slsa-github-generator/.github/workflows/[email protected].1
     with:
       base64-subjects: "${{ needs.build.outputs.digests }}"
       upload-assets: true # Optional: Upload to a new release