Update class-builtin.php

I am using Ultimate Member for a project targeted at businesses and organisations from Georgia, however they recently changed their official country name to Sakartvelo and asked us to use the appropriate name. More info here: https://www.lrt.lt/en/news-in-english/19/1317371/lithuania-approves-sakartvelo-as-official-name-for-georgia

includes/core/class-builtin.php

@@ -1524,7 +1524,7 @@ if ( ! class_exists( 'um\core\Builtin' ) ) {
 						"iu" => __("Inuktitut",'ultimate-member'),
 						"ja" => __("Japanese",'ultimate-member'),
 						"jv" => __("Javanese",'ultimate-member'),
-						"ka" => __("Georgian",'ultimate-member'),
+						"ka" => __("Kartuli",'ultimate-member'),
 						"kg" => __("Kongo",'ultimate-member'),
 						"ki" => __("Kikuyu",'ultimate-member'),
 						"kj" => __("Kwanyama",'ultimate-member'),
@@ -1716,7 +1716,7 @@ if ( ! class_exists( 'um\core\Builtin' ) ) {
 						'TF' => __('French Southern Territories','ultimate-member'),
 						'GA' => __('Gabon','ultimate-member'),
 						'GM' => __('Gambia','ultimate-member'),
-						'GE' => __('Georgia','ultimate-member'),
+						'GE' => __('Sakartvelo','ultimate-member'),
 						'DE' => __('Germany','ultimate-member'),
 						'GH' => __('Ghana','ultimate-member'),
 						'GI' => __('Gibraltar','ultimate-member'),