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

Bumps the github-actions group with 1 update: [slsa-framework/slsa-github-generator](https://github.com/slsa-framework/slsa-github-generator).


Updates `slsa-framework/slsa-github-generator` from 2.0.0 to 2.1.0
- [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@v2.0.0...v2.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/c_release.yml

@@ -76,7 +76,7 @@ jobs:
       actions: read # Needed for detection of GitHub Actions environment.
       id-token: write # Needed for provenance signing and ID
       contents: write # Needed for release uploads
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.0.0 # 5a775b367a56d5bd118a224a811bba288150a563
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.1.0 # 5a775b367a56d5bd118a224a811bba288150a563
     with:
       base64-subjects: "${{ needs.github-release.outputs.hashes }}"
       upload-assets: true