Bump tsd from 0.15.1 to 0.16.0 (#209)

Bumps [tsd](https://github.com/SamVerschueren/tsd) from 0.15.1 to 0.16.0.
- [Release notes](https://github.com/SamVerschueren/tsd/releases)
- [Commits](tsdjs/tsd@v0.15.1...v0.16.0)

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package.json

@@ -52,7 +52,7 @@
     "snazzy": "^9.0.0",
     "standard": "^16.0.2",
     "tap": "^15.0.0",
-    "tsd": "^0.15.0",
+    "tsd": "^0.16.0",
     "typescript": "^4.0.2"
   },
   "tsd": {