chore(deps): update dependency phpunit/phpunit to v10

composer.json

@@ -43,6 +43,6 @@
     "yoast/phpunit-polyfills": "1.1.1",
     "phpcompatibility/phpcompatibility-wp": "2.1.5",
     "wp-coding-standards/wpcs": "3.1.0",
-    "phpunit/phpunit": "9.6.20"
+    "phpunit/phpunit": "10.5.30"
   }
 }