fix(deps): update dependency google/analytics-data to ^0.18.0 (GoogleCloudPlatform#2040)

Author: renovate-bot

analyticsdata/composer.json

@@ -1,5 +1,5 @@
 {
     "require": {
-        "google/analytics-data": "^0.17.0"
+        "google/analytics-data": "^0.18.0"
     }
 }