Bump PS to 0.15.7; update to latest package set (purescript#302)

* Update PureScript to 0.15.7

* Update package set

* Install entire package set except for `visx`

`visx` currently includes a module named `Main`,
which causes a name clash. So, it's being dropped
until then.

* Update changelog

Update package set; install all packages

Prep v2022-08-16.1 release

Prep next release

Update changelog

Make v2022-07-15.1 release (purescript#287)

* Update and install pkgs from latest package set

* Prep changelog for release

* Update stack yaml lock file

Update to PureScript v0.15.4 (purescript#282)

* Add script to easily update project

* Update to 0.15.4; update package set

* Add changelog

* Update release date

Remove duplicate entry in changelog

Make v2022-06-10.1 release

Update changelog for 2022-06-10.2 release