Merge pull request #18 from jcasbin/dependabot/maven/mysql-mysql-connector-java-8.0.16

Bump mysql-connector-java from 8.0.12 to 8.0.16

Author: hsluoyz

pom.xml

@@ -98,7 +98,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.12</version>
+            <version>8.0.16</version>
             <scope>test</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.oracle/ojdbc -->