Merge pull request #1222: [Core] Fix static return type in Proxy class generator

Author: spiralbot

composer.json

@@ -36,7 +36,7 @@
         "ext-json": "*",
         "php": ">=8.1",
         "myclabs/deep-copy": "^1.9",
-        "spiral/core": "^3.15.6"
+        "spiral/core": "^3.16"
     },
     "require-dev": {
         "phpunit/phpunit": "^10.5.41",
@@ -58,7 +58,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "3.15.x-dev"
+            "dev-master": "3.16.x-dev"
         }
     },
     "config": {