chore(dependencies): update dependency typedoc to v0.21.6

Author: renovate-bot

package-lock.json

@@ -45,7 +45,7 @@
     "jest": "26.6.3",
     "microbundle": "0.13.3",
     "ts-jest": "26.5.6",
-    "typedoc": "0.21.5",
+    "typedoc": "0.21.6",
     "typescript": "4.3.5"
   },
   "jest": {