Update Analyzers.Versions.targets
Update Analyzers.Versions.targets

Bump up the pre-release version for future drops to beta2
heejaechang/roslyn-analyzers,bkoelman/roslyn-analyzers,mavasani/roslyn-analyzers,pakdev/roslyn-analyzers,srivatsn/roslyn-analyzers,mavasani/roslyn-analyzers,dotnet/roslyn-analyzers,natidea/roslyn-analyzers,jasonmalinowski/roslyn-analyzers,qinxgit/roslyn-analyzers,Anniepoh/roslyn-analyzers,pakdev/roslyn-analyzers,dotnet/roslyn-analyzers,genlu/roslyn-analyzers