Merge pull request #2229 from mybatis/dependabot/maven/org.testcontainers-postgresql-1.15.3

Bump postgresql from 1.15.2 to 1.15.3

Author: hazendaz

pom.xml

@@ -270,7 +270,7 @@
     <dependency>
       <groupId>org.testcontainers</groupId>
       <artifactId>postgresql</artifactId>
-      <version>1.15.2</version>
+      <version>1.15.3</version>
       <scope>test</scope>
     </dependency>
     <dependency>