chore(deps): bump slsa-framework/slsa-github-generator from 1.8.0 to 1.9.0 (#2992)

chore(deps): bump slsa-framework/slsa-github-generator

Bumps [slsa-framework/slsa-github-generator](https://github.com/slsa-framework/slsa-github-generator) from 1.8.0 to 1.9.0.
- [Release notes](https://github.com/slsa-framework/slsa-github-generator/releases)
- [Changelog](https://github.com/slsa-framework/slsa-github-generator/blob/main/CHANGELOG.md)
- [Commits](slsa-framework/slsa-github-generator@v1.8.0...v1.9.0)

---
updated-dependencies:
- dependency-name: slsa-framework/slsa-github-generator
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -206,7 +206,7 @@ jobs:
     # NOTE: provenance fails if we use action pinning... it's a Github limitation
     # because SLSA needs to trace & attest it came from a given branch; pinning doesn't expose that information
     # https://github.com/slsa-framework/slsa-github-generator/blob/main/internal/builders/generic/README.md#referencing-the-slsa-generator
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.8.0
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.9.0
     with:
       base64-subjects: ${{ needs.build.outputs.attestation_hashes }}
       upload-assets: false  # we upload its attestation in create_tag job, otherwise it creates a new release