Upgrade to Mysql 8.0.12

Closes gh-14103

Author: snicoll

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

@@ -128,7 +128,7 @@
 		<mongo-driver-reactivestreams.version>1.9.0</mongo-driver-reactivestreams.version>
 		<mongodb.version>3.8.0</mongodb.version>
 		<mssql-jdbc.version>6.4.0.jre8</mssql-jdbc.version>
-		<mysql.version>8.0.11</mysql.version>
+		<mysql.version>8.0.12</mysql.version>
 		<narayana.version>5.8.2.Final</narayana.version>
 		<nekohtml.version>1.9.22</nekohtml.version>
 		<neo4j-ogm.version>3.1.0</neo4j-ogm.version>