Update mongodb driver version.

TCB13 · TCB13 · commit fa44d2044e01 · 2019-09-11T11:44:57.000+01:00
diff --git a/composer.json b/composer.json
@@ -8,7 +8,7 @@
 	"ext-json": "*",
 	"ext-curl": "*",
 	"ext-mongodb": "*",
-	"mongodb/mongodb": "1.4.*"
+	"mongodb/mongodb": "*"
   },
   "authors": [
 	{
