chore(deps-dev): bump @types/jest from 25.2.3 to 26.0.0 in /api

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 25.2.3 to 26.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/jest)

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

api/package.json

@@ -14,7 +14,7 @@
     "whois-json": "^2.0.4"
   },
   "devDependencies": {
-    "@types/jest": "^25.2.3",
+    "@types/jest": "^26.0.0",
     "@types/node": "^14.0.1",
     "@types/node-fetch": "^2.5.5",
     "@types/validator": "^13.0.0",