Bump tsd from 0.12.1 to 0.13.1 (#88)

Bumps [tsd](https://github.com/SamVerschueren/tsd) from 0.12.1 to 0.13.1.
- [Release notes](https://github.com/SamVerschueren/tsd/releases)
- [Commits](tsdjs/tsd@v0.12.1...v0.13.1)

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

Author: dependabot-preview[bot]

package.json

@@ -41,7 +41,7 @@
     "snazzy": "^8.0.0",
     "standard": "^14.3.3",
     "tap": "^14.10.7",
-    "tsd": "^0.12.0",
+    "tsd": "^0.13.1",
     "typescript": "^3.8.3"
   },
   "dependencies": {