Upgrade to php8.1/Laravel 9

* Upgrade Nova4 / Laravel 9 / PHP 8.1

.travis.yml

@@ -1,7 +1,7 @@
 language: php
 
 php:
-  - 7.1
+  - 8.1
 
 sudo: false
 

README.md

@@ -7,12 +7,12 @@ A field that make your resources orderable using [the laravel nestedset package]
 
 ## Requirements
 
-* PHP >= 7.4
-* Laravel Nova >= 3.0
-* Laravel Framework >= 8.43
+* PHP >= 8.1
+* Laravel Nova >= 4.0
+* Laravel Framework >= 9.0
 
-> **NOTE**: These instructions are for Laravel >= 8.43. If you are using prior version, please
-> see the [previous version's docs](https://github.com/novius/laravel-nova-order-nestedset-field/tree/1.x).
+> **NOTE**: These instructions are for Laravel >= 9.0 and Laravel Nova 4.0. If you are using prior version, please
+> see the [previous version's docs](https://github.com/novius/laravel-nova-order-nestedset-field/tree/2.x).
 
 ## Installation
 

composer.json

@@ -17,12 +17,12 @@
     }
   ],
   "require": {
-    "php": ">=7.4",
-    "illuminate/support": "^8.43",
+    "php": ">=8.1",
+    "illuminate/support": "^9.0",
     "kalnoy/nestedset": "^6.0.0"
   },
   "require-dev": {
-    "friendsofphp/php-cs-fixer": "^3.0"
+    "friendsofphp/php-cs-fixer": "^3.8.0"
   },
   "autoload": {
     "psr-4": {

src/OrderNestedsetFieldServiceProvider.php

@@ -27,7 +27,7 @@ public function boot()
         $this->publishes([__DIR__.'/../config' => config_path()], 'config');
 
         $this->loadTranslationsFrom(__DIR__.'/../resources/lang', 'nova-order-nestedset-field');
-        $this->publishes([__DIR__.'/../resources/lang' => resource_path('lang/vendor/nova-order-nestedset-field')], 'lang');
+        $this->publishes([__DIR__.'/../resources/lang' => lang_path('vendor/nova-order-nestedset-field')], 'lang');
     }
 
     /**