devel/p5-EV: Update 4.34 => 4.37

ChangeLog:
https://metacpan.org/dist/EV/changes

PR: 293942
Reported by: Sergei Vyshenski <svysh.fbsd@gmail.com> (maintainer)
Approved by: vvd (mentor)
MFH: 2026Q1

(cherry picked from commit 7d53c729aa90dd5ac532ac37feb813f7851a0fe9)