Prepare v6.0.0 release (1st PS 0.15.0-compatible release) (#20)

* Update the bower dependencies

* Update Node to 14 in CI

* Update the changelog

Prepare v5.0.0 release (#16)

* Update CI to build with the latest version of the compiler

* Update the bower repository URL to match the URL in the registry

* Upgrade bower dependencies

* Update the changelog

Merge pull request #7 from purescript/compiler/0.12

Update for PureScript 0.12

Merge pull request #5 from purescript/ps-0.11

Update for PureScript 0.11

Merge pull request #3 from purescript/bump

Prepare for 2.0 release

Update build for release

Merge pull request #1 from purescript/0.8-updates

Updates for PureScript 0.8

Updates for RC

Updates for RC