devel/serd: Update 0.32.8 => 0.32.10

While here, update maintainer address.

Changelog:
https://gitlab.com/drobilla/serd/-/releases/v0.32.10

PR: 297249
Reported by: Goran Mekić <meka@sys.it.com> (maintainer)
Approved by: osa, vvd (Mentors, implicit)