statically compile the fly binary on linux
statically compile the fly binary on linux

[#87176298]

Signed-off-by: Chris Brown <eb0819782e2e967e3d4f4d71eab0c647ed2659cf@pivotal.io>

holgero/concourse,CloudCredo/concourse,zachgersh/concourse,concourse/concourse,cjcjameson/concourse,sedouard/concourse,cjcjameson/concourse,concourse/concourse,longnguyen11288/concourse,CloudCredo/concourse,jbayer/concourse,CloudCredo/concourse,cjcjameson/concourse,holgero/concourse,longnguyen11288/concourse,Amit-PivotalLabs/concourse,beni55/concourse,zachgersh/concourse,Amit-PivotalLabs/concourse,holgero/concourse,jbayer/concourse,beni55/concourse,squeedee/concourse,beni55/concourse,sedouard/concourse,concourse/concourse,squeedee/concourse,concourse/concourse,Amit-PivotalLabs/concourse,concourse/concourse,jbayer/concourse,squeedee/concourse,sedouard/concourse,longnguyen11288/concourse,zachgersh/concourse