Added Laravel 12 to GitHub actions

Author: korridor

.github/workflows/unittests.yml

@@ -49,6 +49,35 @@ jobs:
                 laravel: 11.*
                 testbench: 9.*
                 composer-flag: '--prefer-lowest'
+            -   php: 8.4
+                laravel: 11.*
+                testbench: 9.*
+                composer-flag: '--prefer-stable'
+            # Laravel 12.*
+            -   php: 8.2
+                laravel: 12.*
+                testbench: 10.*
+                composer-flag: '--prefer-stable'
+            -   php: 8.3
+                laravel: 12.*
+                testbench: 10.*
+                composer-flag: '--prefer-stable'
+            -   php: 8.4
+                laravel: 12.*
+                testbench: 10.*
+                composer-flag: '--prefer-stable'
+            -   php: 8.2
+                laravel: 12.*
+                testbench: 10.*
+                composer-flag: '--prefer-lowest'
+            -   php: 8.3
+                laravel: 12.*
+                testbench: 10.*
+                composer-flag: '--prefer-lowest'
+            -   php: 8.4
+                laravel: 12.*
+                testbench: 10.*
+                composer-flag: '--prefer-lowest'
     runs-on: ubuntu-latest
 
     steps: