improvement!: 3.0 (#227)

* WIP

* chore: fix mix.lock merge issues

* improvement: upgrade to 3.0

* chore: remove `repo.to_tenant`

* chore: continue removal of unnecessary helper

* chore: use `Ash.ToTenant`

Author: zachdaniel

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,10 +1,9 @@
 ---
 name: Proposal
 about: Suggest an idea for this project
-title: ''
+title: ""
 labels: enhancement, needs review
-assignees: ''
-
+assignees: ""
 ---
 
 **Is your feature request related to a problem? Please describe.**
@@ -29,7 +28,7 @@ For example
 Or
 
 ```elixir
-  Api.read(:resource, bar: 10) # <- Adding `bar` here would cause <x>
+  Ash.read(Resource, bar: 10) # <- Adding `bar` here would cause <x>
 ```
 
 **Additional context**

.github/workflows/elixir.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        postgres-version: ["10", "12", "14", "16"]
+        postgres-version: ["14", "15", "16"]
     uses: ash-project/ash/.github/workflows/ash-ci.yml@main
     with:
       postgres: true