Bump jest from 26.6.3 to 27.0.1 (#18)

Bumps [jest](https://github.com/facebook/jest) from 26.6.3 to 27.0.1.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](jestjs/jest@v26.6.3...v27.0.1)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -28,7 +28,7 @@
   "homepage": "https://github.com/fastify/fastify-warning#readme",
   "devDependencies": {
     "ava": "^3.10.1",
-    "jest": "^26.1.0",
+    "jest": "^27.0.1",
     "standard": "^16.0.3",
     "tsd": "^0.15.0"
   }