Bump standard from 14.3.4 to 16.0.0

Bumps [standard](https://github.com/standard/standard) from 14.3.4 to 16.0.0.
- [Release notes](https://github.com/standard/standard/releases)
- [Changelog](https://github.com/standard/standard/blob/master/CHANGELOG.md)
- [Commits](standard/standard@v14.3.4...v16.0.0)

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

package.json

@@ -28,7 +28,7 @@
   "homepage": "https://github.com/lependu/fastify-nodemailer#readme",
   "devDependencies": {
     "fastify": "^3.0.3",
-    "standard": "^14.3.3",
+    "standard": "^16.0.0",
     "tap": "^14.10.7"
   },
   "dependencies": {