upgrade: Bump @release-it/conventional-changelog from 5.1.1 to 6.0.0

Bumps [@release-it/conventional-changelog](https://github.com/release-it/conventional-changelog) from 5.1.1 to 6.0.0.
- [Release notes](https://github.com/release-it/conventional-changelog/releases)
- [Commits](release-it/conventional-changelog@5.1.1...6.0.0)

---
updated-dependencies:
- dependency-name: "@release-it/conventional-changelog"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>