fix api composer package missing (#2370)

Author: everyx

api/composer.json

@@ -50,7 +50,11 @@
     "webonyx/graphql-php": "^0.13.0",
     "char0n/ffmpeg-php": "^3.0.0",
     "pragmarx/google2fa": "^5.0",
-    "guzzlehttp/guzzle": "~6.0"
+    "guzzlehttp/guzzle": "~6.0",
+    "zendframework/zend-db": "dev-master",
+    "directus/oauth2-okta": "dev-master",
+    "directus/proxy-detection": "dev-master",
+    "directus/rate-limit": "dev-master"
   },
   "suggest": {
     "paragonie/random_compat": "Generates cryptographically more secure pseudo-random bytes",