⬆️ Bump netty-all in /netty-jpa-mysql

Bumps [netty-all](https://github.com/netty/netty) from 4.1.41.Final to 4.1.42.Final.
- [Release notes](https://github.com/netty/netty/releases)
- [Commits](netty/netty@netty-4.1.41.Final...netty-4.1.42.Final)

Signed-off-by: dependabot[bot] <support@github.com>

netty-jpa-mysql/pom.xml

@@ -17,7 +17,7 @@
     <properties>
         <spring-boot.version>2.0.5.RELEASE</spring-boot.version>
         <mysql.version>8.0.12</mysql.version>
-        <netty-all.version>4.1.41.Final</netty-all.version>
+        <netty-all.version>4.1.42.Final</netty-all.version>
         <guava.version>23.0</guava.version>
         <lombok.version>1.16.12</lombok.version>
         <fastjson.version>1.2.58</fastjson.version>