Add Laravel 9 support & update to Enhance Resources v4

.github/workflows/tests.yml

@@ -7,9 +7,17 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.4, 8.0]
+        php: [8.0, 8.1]
+        laravel: [8.0, 9.0]
         stability: [prefer-lowest, prefer-stable]
-    name: PHP ${{ matrix.php }} - ${{ matrix.stability }}
+        include:
+          - laravel: 8.0
+            collision: 5.0
+            testbench: 6.0
+          - laravel: 9.0
+            collision: 6.0
+            testbench: 7.0
+    name: PHP ${{ matrix.php }} - Laravel v${{ matrix.laravel }} - ${{ matrix.stability }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
@@ -37,5 +45,8 @@ jobs:
       - name: Install dependencies
         run: composer update --${{ matrix.stability }} --prefer-dist --no-interaction --no-suggest
 
+      - name: Require specific versions of packages
+        run: composer update laravel/framework:^${{ matrix.laravel }} nunomaduro/collision:^${{ matrix.collision }} orchestra/testbench:^${{ matrix.testbench }} -W
+
       - name: Execute tests
         run: vendor/bin/phpunit --verbose

composer.json

@@ -20,12 +20,12 @@
         }
     },
     "require": {
-        "php": "^7.4|^8.0",
-        "laravel/framework": "^7.0|^8.0"
+        "php": "^8.0",
+        "laravel/framework": "^8.0|^9.0"
     },
     "require-dev": {
-        "nunomaduro/collision": "^4.2",
-        "orchestra/testbench": "^5.0"
+        "nunomaduro/collision": "^5.0|^6.0",
+        "orchestra/testbench": "^6.0|^7.0"
     },
     "extra": {
         "laravel": {