audio/maolan: Update 0.1.0 => 0.2.1

Changelogs:

• https://github.com/maolan/maolan/releases/tag/0.2.1
• https://github.com/maolan/maolan/releases/tag/0.2.0
• https://github.com/maolan/maolan/releases/tag/0.1.1

PR: 295502
Approved by: osa, vvd (Mentors, implicit)