Add PHP 8.2 Support (#196)

* add php 8.2 to workflow

* update tests to support L8

* Fix styling

.github/workflows/run-tests.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest]
-        php: [8.1, 8.0]
+        php: [8.2, 8.1, 8.0]
         laravel: [9.*, 8.*]
         dependency-version: [prefer-stable]
         include:
@@ -33,7 +33,7 @@ jobs:
 
       -   name: Install dependencies
           run: |
-            composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
+            composer require "laravel/framework:${{ matrix.laravel }}" "nesbot/carbon:^2.63" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
             composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
 
       -   name: Execute tests

tests/FeedTest.php

@@ -87,7 +87,7 @@
         $response->assertStatus(200);
 
         expect(
-            str($response->headers->get('content-type'))->before(';')->value()
+            (string)(str($response->headers->get('content-type'))->before(';'))
         )->toBe($contentType);
     });
 });

tests/Pest.php

@@ -1,3 +1,10 @@
 <?php
 
 uses(Spatie\Feed\Test\TestCase::class)->in('.');
+
+if (! function_exists('str')) {
+    function str($string)
+    {
+        return \Illuminate\Support\Str::of($string);
+    }
+}