Update to DIY-oik v1.5.0 for support for PHP 8.1 and PHP 8.2.

Changes
Change | Reference |
---|---|
Changed: Add PHPUnit tests for PHP 8.1 and PHP 8.2 | bobbingwide/diy-oik#9 |
Fixed: Pass correct file name to oik_register_plugin_server | bobbingwide/diy-oik#6 |
Fixed: Only respond to oik_add_shortcodes after oik_loaded has been run | bobbingwide/diy-oik#5 |
Tested
- Tested: With WordPress 6.4.1 and WordPress Multisite
- Tested: With PHP 8.1 and PHP 8.2
- Tested: With PHPUnit 9.6