Set Fx version to 9.1 since pkg(8) bootstrapper is installed by default.
Set Fx version to 9.1 since pkg(8) bootstrapper is installed by
default.

junovitch/pkg,en90/pkg,junovitch/pkg,Open343/pkg,Open343/pkg,skoef/pkg,khorben/pkg,khorben/pkg,khorben/pkg,en90/pkg,skoef/pkg