[ANN] SmalltalkCI now supports Pharo 9

Hi,

Just to let you know that smalltalkCI was updated to include Pharo 9, 32 and 64 bits as available versions to be used, and stable/alpha were updated to be Pharo 8 and Pharo 9.

Thanks Pablo Tesone & Fabio Niephaus for helping in getting this updates ready.

Regards,

Gabriel