Update to oik-block v0.3.2 for support for PHP 8.3

Changes
Changes in v0.3.2 include changes in v0.3.1
| Change | Reference |
|---|---|
| Changed: Add PHP version to guts shortcode | bobbingwide/oik-block#30 |
| Changed: Added a PHPUnit test | bobbingwide/oik-block#38 |
Tested
- Tested: With WordPress 6.4.2 and WordPress Multisite
- Tested: With PHP 8.3
- Tested: With PHPUnit 9.6
