Upgrade to Groovy 2.5.10 (and Netty 4.1.48)
Upgrade to Groovy 2.5.10 (and Netty 4.1.48)

Closes gh-24719

spring-projects/spring-framework,spring-projects/spring-framework,spring-projects/spring-framework,spring-projects/spring-framework,spring-projects/spring-framework,spring-projects/spring-framework,spring-projects/spring-framework