Allow gnu latest images to be used with the Pony playground
Allow gnu latest images to be used with the Pony playground

Was missing dependencies needed to build and link programs in the image.

Closes #3388

cquinn/ponyc,sgebbie/ponyc,dipinhora/ponyc,kulibali/ponyc,cquinn/ponyc,dipinhora/ponyc,kulibali/ponyc,sgebbie/ponyc,ponylang/ponyc,jemc/ponyc,dipinhora/ponyc,jemc/ponyc,sgebbie/ponyc,kulibali/ponyc,kulibali/ponyc,sgebbie/ponyc,ponylang/ponyc,ponylang/ponyc,jemc/ponyc,sgebbie/ponyc,cquinn/ponyc,cquinn/ponyc