Update dependency typedoc to v0.28.9

Author: renovate[bot]

package-lock.json

@@ -45,7 +45,7 @@
     "ts-jest": "24.3.0",
     "ts-node": "8.10.2",
     "tsconfig-paths": "3.11.0",
-    "typedoc": "0.19.2",
+    "typedoc": "0.28.9",
     "typescript": "3.9.10",
     "webpack": "4.46.0",
     "webpack-cli": "3.3.12",