Merge pull request #6 from daftano/master

Use driver version 8.0.21

Author: timja

pom.xml

@@ -9,7 +9,7 @@
 
   <groupId>org.jenkins-ci.plugins</groupId>
   <artifactId>database-mysql</artifactId>
-  <version>1.4-SNAPSHOT</version>
+  <version>1.4</version>
   <packaging>hpi</packaging>
   <name>MySQL Database Plugin</name>
 
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>mysql</groupId>
       <artifactId>mysql-connector-java</artifactId>
-      <version>8.0.13</version>
+      <version>8.0.21</version>
     </dependency>
     <dependency>
       <groupId>${project.groupId}</groupId>