Bump typedoc from 0.14.2 to 0.15.0

Bumps [typedoc](https://github.com/TypeStrong/TypeDoc) from 0.14.2 to 0.15.0.
- [Release notes](https://github.com/TypeStrong/TypeDoc/releases)
- [Commits](TypeStrong/typedoc@v0.14.2...v0.15.0)

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

package.json

@@ -75,7 +75,7 @@
         "sinon": "^7.4.2",
         "ts-node": "^8.4.1",
         "tslint": "^5.20.0",
-        "typedoc": "^0.14.2",
+        "typedoc": "^0.15.0",
         "typescript": "^3.6.3"
     },
     "nyc": {