chore(deps): update dependency @types/node to v16 (#852)

* chore(deps): update dependency @types/node to v16

* fix: typescript issues

Author: Amir Blum

package.json

@@ -52,7 +52,7 @@
   "devDependencies": {
     "@opentelemetry/api": "1.0.2",
     "@types/mocha": "8.2.3",
-    "@types/node": "14.17.9",
+    "@types/node": "16.11.21",
     "@types/webpack-env": "1.16.2",
     "codecov": "3.8.3",
     "colors": "1.4.0",