Composer: require PHP 8.2+, use full version format, add autoload-dev

Author: f3l1x

composer.json

@@ -16,19 +16,24 @@
     }
   ],
   "require": {
-    "php": ">=8.1",
+    "php": ">=8.2",
     "nette/code-checker": "^3.3.2"
   },
   "require-dev": {
-    "contributte/qa": "^0.4",
-    "contributte/tester": "^0.3",
-    "contributte/phpstan": "^0.1"
+    "contributte/qa": "~0.4.0",
+    "contributte/tester": "~0.3.0",
+    "contributte/phpstan": "~0.2.0"
   },
   "autoload": {
     "psr-4": {
       "Contributte\\CodeChecker\\": "src/"
     }
   },
+  "autoload-dev": {
+    "psr-4": {
+      "Tests\\": "tests"
+    }
+  },
   "bin": [
     "bin/checker"
   ],