net/php-oauth: Update 2.0.10 => 2.0.12

Changelogs:
https://github.com/php/pecl-web_services-oauth/releases/tag/2.0.11
https://github.com/php/pecl-web_services-oauth/releases/tag/2.0.12

• Upstream moved to github.
• Add support for php 8.6.

PR: 295762
Sponsored by: UNIS Labs