*/*: Update maintainer e-mail address

PR: 296700
MFH: 2026Q3
Approved by: Alexander Vereeken <Alexander88207@protonmail.com> (maintainer)
Approved by: db@, yuri@ (Mentors, implicit)

(cherry picked from commit ba4d25929c804fce4cf29a638504d38560ac1b6f)