Changelog [1]:

• Add fallback configuration if documentation theme is unavailable
• Fix SERD_DISABLE_DEPRECATED
• Fix building for older MacOS versions on newer MacOS
• Fix documentation installation directory

Patches under files/ now upstream and not needed any more [2]

[1] https://github.com/drobilla/serd/blob/master/NEWS
[2] https://github.com/drobilla/serd/compare/v0.30.8...v0.30.10

Submitted by Goran Mekic <meka@tilda.center> (maintainer) in PR 253042.

Tested on Poudriere (amd64, i386). 'portlint -AC' is ok.