DRILL-8254: upgrade mysql-connectors-java to 8.0.28 due to CVE-2022-21363 (#2581)

Co-authored-by: kingswanwho <jingchuanhu2017@u.northwestern.edu>
diff --git a/contrib/storage-jdbc/pom.xml b/contrib/storage-jdbc/pom.xml
index 2b947f5..56d63ed 100644
--- a/contrib/storage-jdbc/pom.xml
+++ b/contrib/storage-jdbc/pom.xml
@@ -31,7 +31,7 @@
   <name>Drill : Contrib : Storage : JDBC</name>
 
   <properties>
-    <mysql.connector.version>8.0.25</mysql.connector.version>
+    <mysql.connector.version>8.0.28</mysql.connector.version>
     <clickhouse.jdbc.version>0.3.1</clickhouse.jdbc.version>
     <h2.version>2.1.210</h2.version>
     <postgresql.version>42.3.3</postgresql.version>