chore(dependencies): update dependency typedoc to v0.20.19

Author: renovate-bot

package-lock.json

@@ -56,7 +56,7 @@
     "markdown-toc": "1.2.0",
     "ts-jest": "26.4.4",
     "ts-node": "9.1.1",
-    "typedoc": "0.20.16",
+    "typedoc": "0.20.19",
     "typescript": "4.1.3"
   },
   "dependencies": {