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

Bumps [slsa-framework/slsa-github-generator](https://github.com/slsa-framework/slsa-github-generator) from 1.9.0 to 2.0.0.
- [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@v1.9.0...v2.0.0)

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

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

Author: dependabot[bot]

.github/workflows/publish-charts.yml

@@ -72,7 +72,7 @@ jobs:
       id-token: write   # To sign the provenance.
       packages: write   # To upload assets to release.
       actions: read     # To read the workflow path.
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v1.9.0
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v2.0.0
     with:
       image: ghcr.io/${{ github.repository_owner }}/charts/capsule-addon-fluxcd
       digest: "${{ needs.publish-helm-oci.outputs.chart-digest }}"