Fix bad build: Updating dependencies & moving to devDependencies

[mwalkerwells]

Purescript ^0.11.6 does not support instance chains. These npm dependencies are only needed for building the project. Updating them & moving them to devDependencies.

> pulp build -- --censor-lib --strict --stash

* Building project
[1/2 ErrorParsingModule] bower_components/purescript-either/src/Data/Either/Inject.purs:16:1

  16  else instance injectLeft :: Inject a (Either a b) where


  Unable to parse module:
  unexpected "else"
  expecting declaration or end of input

[2/2 ErrorParsingModule] bower_components/purescript-psci-support/src/PSCI/Support.purs:21:1

  21  else


  Unable to parse module:
  unexpected "else"
  expecting declaration or end of input

[mwalkerwells]

@Thimoteus LGTU?

[Thimoteus]

Sweet, thanks 👍