Use the latest bundler for Chef 12.8
Use the latest bundler for Chef 12.8

chefspec/chefspec,sethvargo/chefspec,lamont-granquist/chefspec,mcoolive/chefspec,mcoolive/chefspec,chefspec/chefspec,gsavage/chefspec,gsavage/chefspec,sethvargo/chefspec,lamont-granquist/chefspec