Update to oik-css v2.1.0 for the ability to style CSS and GeSHi output in documentation.

Changes
Change | Reference |
---|---|
Changed: Implement get_block_wrapper_attributes | bobbingwide/oik-css#16 |
Changed: Adding styling of text,background and font size | bobbingwide/oik-css#16 |
Changed: Updated wp-scripts. |
Tested
- Tested: With WordPress 6.1.1 and WordPress Multi Site
- Tested: With PHP 8.0
- Tested: With Gutenberg 14.5.4