Bump typedoc from 0.17.4 to 0.17.6

Bumps [typedoc](https://github.com/TypeStrong/TypeDoc) from 0.17.4 to 0.17.6.
- [Release notes](https://github.com/TypeStrong/TypeDoc/releases)
- [Commits](https://github.com/TypeStrong/TypeDoc/compare/0.17.4...0.17.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -46,7 +46,7 @@
     "svg-inline-loader": "^0.8.0",
     "to-string-loader": "1.1.6",
     "tslib": "^1.11.1",
-    "typedoc": "^0.17.4",
+    "typedoc": "^0.17.6",
     "typescript": "^3.8.3",
     "url-loader": "^3.0.0",
     "val-loader": "2.1.1",