Added laravel 11 to github actions

Author: korridor

Diff for: .github/workflows/unittests.yml

@@ -32,6 +32,23 @@ jobs:
                 laravel: 10.*
                 testbench: 8.*
                 composer-flag: '--prefer-lowest'
+            # Laravel 11.*
+            -   php: 8.2
+                laravel: 11.*
+                testbench: 9.*
+                composer-flag: '--prefer-stable'
+            -   php: 8.3
+                laravel: 11.*
+                testbench: 9.*
+                composer-flag: '--prefer-stable'
+            -   php: 8.2
+                laravel: 11.*
+                testbench: 9.*
+                composer-flag: '--prefer-lowest'
+            -   php: 8.2
+                laravel: 11.*
+                testbench: 9.*
+                composer-flag: '--prefer-lowest'
     runs-on: ubuntu-latest
 
     steps:

Diff for: composer.json

@@ -53,5 +53,7 @@
     },
     "config": {
         "sort-packages": true
-    }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }