Typescript updates (#9658)

* Typescript updates

* Update @types/node

* Fix more types

package.json

@@ -160,7 +160,7 @@
     "@types/katex": "^0.14.0",
     "@types/lodash": "^4.14.168",
     "@types/modernizr": "^3.5.3",
-    "@types/node": "^14.18.28",
+    "@types/node": "^16",
     "@types/pako": "^1.0.1",
     "@types/parse5": "^6.0.0",
     "@types/qrcode": "^1.3.5",
@@ -212,7 +212,7 @@
     "stylelint": "^14.9.1",
     "stylelint-config-standard": "^26.0.0",
     "stylelint-scss": "^4.2.0",
-    "typescript": "4.8.4",
+    "typescript": "4.9.3",
     "walk": "^2.3.14"
   },
   "jest": {