Bump @google-cloud/logging-winston from 0.10.2 to 0.11.0 (#369)

Bumps [@google-cloud/logging-winston](https://github.com/googleapis/nodejs-logging-winston) from 0.10.2 to 0.11.0.
- [Release notes](https://github.com/googleapis/nodejs-logging-winston/releases)
- [Changelog](https://github.com/googleapis/nodejs-logging-winston/blob/master/CHANGELOG.md)
- [Commits](googleapis/nodejs-logging-winston@v0.10.2...v0.11.0)

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

Author: dependabot[bot]

package-lock.json

@@ -11,7 +11,7 @@
         "docs": "apidoc -i ./routes -o ./docs/api/"
     },
     "dependencies": {
-        "@google-cloud/logging-winston": "^0.10.2",
+        "@google-cloud/logging-winston": "^0.11.0",
         "@google-cloud/storage": "^2.4.2",
         "@sendgrid/mail": "^6.3.1",
         "bcrypt": "^3.0.4",