Upgrade to Mariadb 2.4.0

Closes gh-16150

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -144,7 +144,7 @@
 		<log4j2.version>2.11.2</log4j2.version>
 		<logback.version>1.2.3</logback.version>
 		<lombok.version>1.18.6</lombok.version>
-		<mariadb.version>2.3.0</mariadb.version>
+		<mariadb.version>2.4.0</mariadb.version>
 		<micrometer.version>1.1.3</micrometer.version>
 		<mimepull.version>1.9.11</mimepull.version>
 		<mockito.version>2.23.4</mockito.version>