[mongodb][hotfix] Fix authentication failed when using a non admin auth source and duplicated usernames #1934 (#1935)

flink-connector-mongodb-cdc/pom.xml

@@ -67,7 +67,7 @@ under the License.
         <dependency>
             <groupId>org.mongodb</groupId>
             <artifactId>mongodb-driver-sync</artifactId>
-            <version>4.3.1</version>
+            <version>4.3.4</version>
         </dependency>
 
         <!-- test dependencies on Flink -->