Restore target in tsconfig.json (#1721)

Author: alexeyr-ci2

tsconfig.json

@@ -11,7 +11,7 @@
     "outDir": "node_package/lib",
     "strict": true,
     "incremental": true,
-    "target": "es5",
+    "target": "es2020",
     "typeRoots": ["./node_modules/@types", "./node_package/types"]
   },
   "include": ["node_package/src/**/*", "node_package/types/**/*"]