www/angie-module-njs: Update 0.9.0 => 0.9.1

Changelog:
https://github.com/nginx/njs/releases/tag/0.9.1

PR: 288571
Approved by: Oleg A. Mamontov <oleg@mamontov.net> (maintainer, implicit - inactive for more than 10 months)
MFH: 2025Q3

(cherry picked from commit f6370327c2c74a178516f5fad14ac52d7d7dcf73)