Bump slsa-framework/slsa-github-generator from 1.6.0 to 1.7.0

Bump slsa-framework/slsa-github-generator from 1.6.0 to 1.7.0

Bumps [slsa-framework/slsa-github-generator](https://github.com/slsa-framework/slsa-github-generator) from 1.6.0 to 1.7.0.
- [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](https://github.com/slsa-framework/slsa-github-generator/compare/v1.6.0...v1.7.0)

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

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