Update docs [ci all]

docs/administration-guide/01-managing-databases.md

@@ -13,7 +13,7 @@ Now you’ll see a list of your databases. To connect another database to Metaba
 * Amazon Redshift
 * [Google BigQuery](databases/bigquery.md)
 * H2
-* MongoDB (version 3.0 or higher)
+* MongoDB (version 3.4 or higher)
 * MySQL (version 4.1 or higher, as well as MariaDB)
 * Postgres
 * SQLite

docs/faq.md

@@ -99,7 +99,7 @@ Metabase currently supports:
 * BigQuery
 * Druid
 * H2
-* MongoDB (version 3.0 or higher)
+* MongoDB (version 3.4 or higher)
 * MySQL (and MariaDB)
 * PostgreSQL
 * Presto