Update mariadb-java-client

Update mariadb-java-client to version 2.7.3 to resolve exception
thrown when installed in OSGi container.

Issue-ID: CCSDK-3373
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: Ib58e562940eae995233d54a196d77bdb5a5dcbd1
diff --git a/odlparent/bundle-parent/pom.xml b/odlparent/bundle-parent/pom.xml
index 60879b7..2cb5968 100644
--- a/odlparent/bundle-parent/pom.xml
+++ b/odlparent/bundle-parent/pom.xml
@@ -176,7 +176,7 @@
         <derby.version>10.14.2.0</derby.version>
         <eelf.version>1.0.0</eelf.version>
         <grpc.version>1.21.1</grpc.version>
-        <mariadb.connector.version>2.7.2</mariadb.connector.version>
+        <mariadb.connector.version>2.7.3</mariadb.connector.version>
         <mariadb4j.version>2.4.0</mariadb4j.version>
         <testng.version>6.14.3</testng.version>
         <tomcat-jdbc.version>9.0.30</tomcat-jdbc.version>