kiji-music: Update dependencies for BentoBox 1.2.6 consistency.

commit: https://github.com/kijiproject/kiji-music/commit/62a4e76850ea36ad374ed309aee0df454b6407f1
kiji-phonebook: Update dependencies for BentoBox 1.2.6 consistency.

commit: https://github.com/kijiproject/kiji-phonebook/commit/9be966011ed08baa07323caacee9a49bc6a23496