devel/libepoll-shim: update to 0.0.20220703

Changes:	https://github.com/jiixyj/epoll-shim/compare/v0.0.20210418...v0.0.20220703


Reported by:	portscout
PR:		265017
Approved by:	manu
Co-authored-by: Hans Petter Selasky <hselasky@FreeBSD.org>