👷 Update tests matrix for Laravel 9

Author: wilsenhc

.github/workflows/run-tests.yml

@@ -10,7 +10,7 @@ jobs:
             matrix:
                 os: [ubuntu-latest]
                 php: [7.3, 7.4, 8.0, 8.1]
-                laravel: [6.*, 7.*, 8.*]
+                laravel: [6.*, 7.*, 8.*, 9.*]
                 dependency-version: [prefer-lowest, prefer-stable]
                 include:
                     -   laravel: 6.*
@@ -19,6 +19,8 @@ jobs:
                         testbench: 5.*
                     -   laravel: 8.*
                         testbench: 6.*
+                    -   laravel: 9.*
+                        testbench: 7.*
                 exclude:
                     -   php: 8.1
                         laravel: 6.*
@@ -27,6 +29,10 @@ jobs:
                     -   php: 8.1
                         laravel: 8.*
                         dependency-version: prefer-lowest
+                    -   php: 7.3
+                        laravel: 9.*
+                    -   php: 7.4
+                        laravel: 9.*
 
         name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}