Merge pull request #1746 from mybatis/dependabot/maven/mysql-mysql-connector-java-8.0.18

Bump mysql-connector-java from 8.0.17 to 8.0.18

Author: kazuki43zoo

pom.xml

@@ -243,7 +243,7 @@
     <dependency>
       <groupId>mysql</groupId>
       <artifactId>mysql-connector-java</artifactId>
-      <version>8.0.17</version>
+      <version>8.0.18</version>
       <scope>test</scope>
     </dependency>
     <dependency>