Bump tsd from 0.14.0 to 0.15.0

Bumps [tsd](https://github.com/SamVerschueren/tsd) from 0.14.0 to 0.15.0.
- [Release notes](https://github.com/SamVerschueren/tsd/releases)
- [Commits](tsdjs/tsd@v0.14.0...v0.15.0)

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

Author: dependabot[bot]

package.json

@@ -43,7 +43,7 @@
     "pg-native": "^3.0.0",
     "standard": "^16.0.0",
     "tap": "^15.0.2",
-    "tsd": "^0.14.0",
+    "tsd": "^0.15.0",
     "typescript": "^4.0.2"
   },
   "peerDependencies": {