Merge pull request #481 from OpenConext/dependabot/maven/server/org.flywaydb-flyway-mysql-12.0.0

Bump org.flywaydb:flyway-mysql from 11.20.3 to 12.0.0 in /server

Author: oharsta

server/pom.xml

@@ -137,7 +137,7 @@
         <dependency>
             <groupId>org.flywaydb</groupId>
             <artifactId>flyway-mysql</artifactId>
-            <version>11.20.3</version>
+            <version>12.0.0</version>
         </dependency>
         <dependency>
             <groupId>org.mariadb.jdbc</groupId>