www/angie-module-auth-spnego: Update 1.3.2 → 1.8.1

Changelog:
https://github.com/stnoonan/spnego-http-auth-nginx-module/releases/tag/v1.1.2

PR: 282394
Approved by: oleg@mamontov.net (maintainer, timeout 3 mounts)

(cherry picked from commit d69a129e9a2be844bc43828868ba56ad80baa162)