Update Sky package version
Update Sky package version

We need to pull in an updated version of sky_tools to get a version that
doesn't try to gzip everything.

cbracken/flutter,aghassemi/flutter,flutter/flutter,flutter/flutter,flutter/flutter,tvolkert/flutter,flutter/flutter,jason-simmons/flutter,tvolkert/flutter,turnidge/flutter,Hixie/flutter,flutter/flutter,cbracken/flutter,cbracken/flutter,tvolkert/flutter,tvolkert/flutter,cbracken/flutter,tvolkert/flutter,flutter/flutter,tvolkert/flutter,flutter/flutter,aghassemi/flutter,aghassemi/flutter,flutter/flutter,Hixie/flutter,tvolkert/flutter,aghassemi/flutter,turnidge/flutter,jason-simmons/flutter,cbracken/flutter,tvolkert/flutter,flutter/flutter,Hixie/flutter,tvolkert/flutter,cbracken/flutter,cbracken/flutter,cbracken/flutter,flutter/flutter,Hixie/flutter,cbracken/flutter,turnidge/flutter,turnidge/flutter,jason-simmons/flutter,Hixie/flutter,jason-simmons/flutter,Hixie/flutter,tvolkert/flutter,Hixie/flutter,Hixie/flutter,cbracken/flutter,Hixie/flutter,turnidge/flutter,Hixie/flutter