version fix

Author: kyuan-mongodb

source/reference/jdbc-driver.txt

@@ -14,8 +14,8 @@ The {+bi-full+} uses the `MySQL Connector/J
 for |jdbc| connectivity.
 
 You must use a MySQL Connector/J version from the 5.1.x series with the
-|bi-short|. The minimum supported version is `5.1.49 
-<https://mvnrepository.com/artifact/mysql/mysql-connector-java/5.1.49>`__.
+|bi-short|. The minimum supported version is `5.1.44 
+<https://mvnrepository.com/artifact/mysql/mysql-connector-java/5.1.44>`__.
 
 .. important::