Update `10up/wp_mock` to version 1.1

5.0.0

Release 5.0.0: Upgrade to 10up/wp_mock version 1.1

Compatibility fixes for PHPUnit v9.6

4.1.0

Compatibility fixes for PHPUnit v9.6

PHP 8.0 compatibility

Now the PHP minimum is 7.2, but it's compatible with PHP 8.0.

2.0.0

Make WPML plugins compatible to PHP 7.4

https://onthegosystems.myjetbrains.com/youtrack/issue/wpmlga-560

1.2.8

Make OTGS_TestCase compatible with tests modified for phpunit-7.

https://onthegosystems.myjetbrains.com/youtrack/issue/wpmlga-560

1.2.7

Add handling protected properties and methods to OTGS_TestCase.