Fix PHP Version to at Least 8.0

Author: MR-Sharifi

composer.json

@@ -3,16 +3,18 @@
     "description": "Repository Pattern",
     "type": "library",
     "license": "MIT",
-    "autoload": {
-        "psr-4": {
-            "Changiz\\DatabaseRepository\\": "src/"
-        }
-    },
     "authors": [
         {
             "name": "Mohammad-Reza Sharifi",
             "email": "[email protected]"
         }
     ],
-    "require": {}
+    "require": {
+        "php": "^8.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Changiz\\DatabaseRepository\\": "src/"
+        }
+    }
 }