2.3.0-rc.9

What's Changed

• ci: bump GitHub Actions to Node 24 runtimes by @lakhansamani in #633
• build(docker): expose gRPC port 9091 by @lakhansamani in #634
• feat(api)!: serve all auth ops on gRPC/REST + flatten response envelope by @lakhansamani in #635

Full Changelog: 2.3.0-rc.8...2.3.0-rc.9