Upgrade test container versions

Author: jeffgbutler

src/test/java/config/TestContainersConfiguration.java

@@ -21,7 +21,8 @@
  * Utility interface to hold Docker image tags for the test containers we use
  */
 public interface TestContainersConfiguration {
-    DockerImageName POSTGRES_LATEST = DockerImageName.parse("postgres:17.2");
-    DockerImageName MARIADB_LATEST = DockerImageName.parse("mariadb:11.6.2");
-    DockerImageName MYSQL_LATEST = DockerImageName.parse("mysql:9.1.0");
+    DockerImageName POSTGRES_LATEST = DockerImageName.parse("postgres:18.0");
+    DockerImageName MARIADB_LATEST = DockerImageName.parse("mariadb:12.0.2");
+    // Note - Can't go past MySQL:9.2.0 until this is released: https://github.com/testcontainers/testcontainers-java/pull/10185
+    DockerImageName MYSQL_LATEST = DockerImageName.parse("mysql:9.2.0");
 }