Update to remove the dependency on the ep() shared library function which is being renamed in oik-bwtrace.

Changes
| Change | Reference |
|---|---|
| Changed: Update to latest wp-scripts | bobbingwide/oik-css#6 |
| Changed: Remove dependency on bobbfunc’s ep() | bobbingwide/oik-css#13 |
Tested
- Tested: With WordPress 6.6.2 and WordPress Multisite
- Tested: With PHP 8.3
- Tested: With Gutenberg 19.1.0
- Tested: With PHPUnit 9.6
