Bump tsd from 0.11.0 to 0.12.0 (#95)

Bumps [tsd](https://github.com/SamVerschueren/tsd) from 0.11.0 to 0.12.0.
- [Release notes](https://github.com/SamVerschueren/tsd/releases)
- [Commits](tsdjs/tsd@v0.11.0...v0.12.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package.json

@@ -39,7 +39,7 @@
     "snazzy": "^8.0.0",
     "standard": "^14.0.2",
     "tap": "^14.0.0",
-    "tsd": "^0.11.0",
+    "tsd": "^0.12.0",
     "typescript": "^3.4.5"
   },
   "dependencies": {