archivers/php-brotli: Update 0.13.1 => 0.18.2

In 0.18.1 upstream add "PHP 8.5 alpha3 compatibility".

Changelogs:
https://github.com/kjdev/php-ext-brotli/releases/tag/0.14.0
https://github.com/kjdev/php-ext-brotli/releases/tag/0.14.2
https://github.com/kjdev/php-ext-brotli/releases/tag/0.15.0
https://github.com/kjdev/php-ext-brotli/releases/tag/0.15.1
https://github.com/kjdev/php-ext-brotli/releases/tag/0.15.2
https://github.com/kjdev/php-ext-brotli/releases/tag/0.15.2%2Bpie
https://github.com/kjdev/php-ext-brotli/releases/tag/0.16.0
https://github.com/kjdev/php-ext-brotli/releases/tag/0.17.0
https://github.com/kjdev/php-ext-brotli/releases/tag/0.18.0
https://github.com/kjdev/php-ext-brotli/releases/tag/0.18.1
https://github.com/kjdev/php-ext-brotli/releases/tag/0.18.2

PR: 289018
Approved by: daniel@shafer.cc (maintainer, timeout > 2 weeks)