Upgrade to Mariadb 2.4.3

Closes gh-17791

Author: snicoll

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

@@ -145,7 +145,7 @@
 		<log4j2.version>2.12.0</log4j2.version>
 		<logback.version>1.2.3</logback.version>
 		<lombok.version>1.18.8</lombok.version>
-		<mariadb.version>2.4.2</mariadb.version>
+		<mariadb.version>2.4.3</mariadb.version>
 		<micrometer.version>1.2.0</micrometer.version>
 		<mimepull.version>1.9.11</mimepull.version>
 		<mockito.version>2.28.2</mockito.version>