audio/re: Update 4.1.0 => 4.2.0, take maintainership
Changelog:
https://github.com/baresip/re/releases/tag/v4.2.0
PR: 290306
Approved by: Herbert J. Skuhra <herbert@gojira.at> (former maintainer)
MFH: 2025Q4
(cherry picked from commit d3197578f3b976e772d00e99c5bc4a594eb6e1a7)