Updated log4j version to meet version in other dependencies.
Updated log4j version to meet version in other dependencies.

oiavorskyi/AxonFramework,krosenvold/AxonFramework,soulrebel/AxonFramework,bojanv55/AxonFramework,Cosium/AxonFramework,adinath/AxonFramework,BrentDouglas/AxonFramework,fpape/AxonFramework,christiaandejong/AxonFramework,AxonFramework/AxonFramework,phaas/AxonFramework