Merge tag 'v2.2.0' into develop

New WhereNull and WhereNotNull filters.

Author: lindyhopchris

CHANGELOG.md

@@ -3,6 +3,12 @@
 All notable changes to this project will be documented in this file. This project adheres to
 [Semantic Versioning](http://semver.org/) and [this changelog format](http://keepachangelog.com/).
 
+## [2.2.0] - 2022-12-22
+
+### Added
+
+- [#27](https://github.com/laravel-json-api/eloquent/pull/27) Added the `WhereNull` and `WhereNotNull` filters.
+
 ## [2.1.1] - 2022-04-04
 
 ### Fixed
@@ -16,10 +22,10 @@ All notable changes to this project will be documented in this file. This projec
 
 - The `Number` field can now be configured to accept numeric strings by calling the `acceptStrings()` method on the
   field.
-  
+
 ### Fixed
 
-- The `JsonApiBuilder` class was previously converting a `null` decoded id to an empty string when querting for a 
+- The `JsonApiBuilder` class was previously converting a `null` decoded id to an empty string when querting for a
   resource id. This has been fixed to pass `null` to the query builder instead of the empty string, as this was most
   likely the cause of failures in Postgres.
 
@@ -36,8 +42,8 @@ All notable changes to this project will be documented in this file. This projec
 - [#20](https://github.com/laravel-json-api/eloquent/pull/20) **BREAKING** To support PHP 8.1 we needed to rename the
   `ReadOnly` contract and trait. This is because PHP 8.1 introduced `readonly` as a reserved word. The following changes
   were made:
-  - `LaravelJsonApi\Eloquent\Contracts\ReadOnly` is now `IsReadOnly`.
-  - `LaravelJsonApi\Eloquent\Fields\Concerns\ReadOnly` is now `IsReadOnly`.
+    - `LaravelJsonApi\Eloquent\Contracts\ReadOnly` is now `IsReadOnly`.
+    - `LaravelJsonApi\Eloquent\Fields\Concerns\ReadOnly` is now `IsReadOnly`.
 
 ## [1.0.1] - 2021-12-08