Merge pull request #1886 from mybatis/dependabot/maven/org.postgresql-postgresql-42.2.12

Bump postgresql from 42.2.11 to 42.2.12

Author: kazuki43zoo

pom.xml

@@ -237,7 +237,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.2.11</version>
+      <version>42.2.12</version>
       <scope>test</scope>
     </dependency>
     <dependency>