upgrade deps and fix phpstan check error

Author: aldas

composer.json

@@ -11,12 +11,12 @@
     "ext-mbstring": "*"
   },
   "require-dev": {
-    "phpunit/phpunit": "^9.6.9",
+    "phpunit/phpunit": "^9.6.15",
     "react/datagram": "^1.9",
-    "react/socket": "^1.13",
+    "react/socket": "^1.15",
     "react/child-process": "^0.6.5",
     "psr/log": "^1.1.4",
-    "phpstan/phpstan": "^1.10.18"
+    "phpstan/phpstan": "^1.10.50"
   },
   "suggest": {
     "psr/log": "Required for using the Log middleware with BinaryStreamConnection"