Upgrade to MongoDB driver 3.11.0.

Resolves #115.

Author: gregturn

pom.xml

@@ -75,7 +75,7 @@
 		<jsr305.version>3.0.2</jsr305.version>
 		<junit-bom.version>5.5.1</junit-bom.version>
 		<mockito.version>2.28.2</mockito.version>
-		<mongo.version>3.11.0-rc0</mongo.version>
+		<mongo.version>3.11.0</mongo.version>
 		<mongo-reactivestreams.version>1.12.0</mongo-reactivestreams.version>
 		<reactor-bom.version>Dysprosium-RELEASE</reactor-bom.version>
 		<spring-bom.version>5.2.0.RELEASE</spring-bom.version>