Update dependencies (#174)

* Update dependencies

* Handle passing null when getting query params

Update dependencies (#168)

* Switch to pnpm

* Update dependencies

* Bump version

* Remove package-lock file

Release prep 4.0.0 (#165)

* Bump version

* Update dependencies

getRelationshipURL does not return local identifier anymore (#144)

* getRelationshipURL does not return local identifier anymore

* Remove updating model links when assigning a has many relationship

Fix setting meta properties (#158)

* Replace property metadata instead of pushing a new one

* Filter out duplicate property metadata

* Add test for checking metadata of child classes

Update npm commands

Merge branch 'get-relationship-url' into release-3.1.0-beta.14

v3.1.0-beta.21

Add additional specs for setting request headers