Correct warning
Correct warning

Currently, if you open up a action generated by the tap-new command in
the github GUI, you get a warning saying "pull_requests should be an
object". This fixes that.

This wasn't stopping anything working currently, though I suppose it may
in the future.

Co-authored-by: Issy Long <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@issyl0.co.uk>

Homebrew/brew,claui/brew,EricFromCanada/brew,sjackman/homebrew,nandub/brew,nandub/brew,Homebrew/brew,konqui/brew,claui/brew,JCount/brew,mahori/brew,MikeMcQuaid/brew,vitorgalvao/brew,Homebrew/brew,nandub/brew,reitermarkus/brew,JCount/brew,vitorgalvao/brew,sjackman/homebrew,sjackman/homebrew,reitermarkus/brew,nandub/brew,vitorgalvao/brew,konqui/brew,claui/brew,JCount/brew,Homebrew/brew,sjackman/homebrew,MikeMcQuaid/brew,konqui/brew,mahori/brew,reitermarkus/brew,mahori/brew,reitermarkus/brew,EricFromCanada/brew,MikeMcQuaid/brew,claui/brew,vitorgalvao/brew,MikeMcQuaid/brew,mahori/brew,JCount/brew,EricFromCanada/brew,EricFromCanada/brew,konqui/brew