#93: Update zendframework/zend-code

- Update `zendframework/zend-code` to `~3.3.0`

Author: maxbucknell

composer.json

@@ -59,7 +59,7 @@
         "tubalmartin/cssmin": "4.1.1",
         "webonyx/graphql-php": "^0.11.1",
         "zendframework/zend-captcha": "^2.7.1",
-        "zendframework/zend-code": "~3.1.0",
+        "zendframework/zend-code": "~3.3.0",
         "zendframework/zend-config": "^2.6.0",
         "zendframework/zend-console": "^2.6.0",
         "zendframework/zend-crypt": "^2.6.0",