www/angie-module-vod: Update 1.9.0 => 1.9.1

This patch release fixes following bugs:

• Make thumbnail selection frame-accurate (#133)
• Honor sample aspect ratio (SAR) for thumb size calculations (#96)

Changelog:
https://github.com/dio-az/nginx-vod-module/blob/v1.9.1/CHANGELOG.md

Commit log:
https://github.com/dio-az/nginx-vod-module/compare/v1.9.0...v1.9.1

PR: 297200
Reported by: Sebastian Oswald <sko@rostwald.de> (maintainer)
Approved by: osa, vvd (Mentors, implicit)
MFH: 2026Q3