add slash to wp method

[circlecube]

The wp get_option method is causing issues when running lint in other projects. This should properly scope it.

PHP Fatal error: Uncaught Error: Call to undefined function WP_Forge\Options\get_option() in /vendor/wp-forge/wp-options/includes/Options.php:52

Proposed changes

Type of Change

• [] Bugfix (non-breaking change which fixes an issue)
• [] New feature (non-breaking change which adds functionality)
• [] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [] Documentation Update (if none of the other choices apply)

Checklist

• [] Linting and tests pass locally with my changes
• [] I have added tests that prove my fix is effective or that my feature works
• [] I have added necessary documentation (if appropriate)

Further comments