feat(php8): add php 8 support (#6)

Author: sudkumar

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.1, 7.2, 7.3, 7.4]
+        php: [7.1, 7.2, 7.3, 7.4, 8.0]
         laravel: [5.8.*, ^6.0, ^7.0, ^8.0]
         exclude:
           - php: 7.1
@@ -22,7 +22,13 @@ jobs:
             laravel: ^8.0
           - php: 7.2
             laravel: ^8.0
-
+          - php: 8.0
+            laravel: 5.8.*
+          - php: 8.0
+            laravel: ^6.0
+          - php: 8.0
+            laravel: ^7.0
+  
     name: P${{ matrix.php }} - L${{ matrix.laravel }}
 
     steps:

composer.json

@@ -28,13 +28,13 @@
         "email": "[email protected]"
     },
     "require": {
-        "php": "^7.1.3",
-        "craftsys/msg91-php": "^0.14.2",
+        "php": "^7.1.3|^8.0",
+        "craftsys/msg91-php": "^0.15",
         "illuminate/support": "^5.2|^6.0|^7.0|^8.0"
     },
     "require-dev": {
         "orchestra/testbench": "~3.8|^4.0|^5.0|^6.0",
-        "phpunit/phpunit": "^5.3|^6.0|^7.0|^8.0"
+        "phpunit/phpunit": "^5.3|^6.0|^7.0|^8.0|^9.4"
     },
     "config": {
         "optimize-autoloader": true,