Update reflect-metadata version in generator-sprotty

Author: gfontorbe

packages/generator-sprotty/sprotty-local-template/package.json

@@ -3,7 +3,7 @@
     "description": "Please enter a brief description here",
     "dependencies": {
       "inversify": "^6.1.3",
-      "reflect-metadata": "^0.1.13",
+      "reflect-metadata": "^0.2.2",
       "sprotty": "^1.0.0"
     },
     "devDependencies": {