Bump rocket_contrib from 0.4.10 to 0.4.11

Bumps [rocket_contrib](https://github.com/SergioBenitez/Rocket) from 0.4.10 to 0.4.11.
- [Release notes](https://github.com/SergioBenitez/Rocket/releases)
- [Changelog](https://github.com/SergioBenitez/Rocket/blob/master/CHANGELOG.md)
- [Commits](https://github.com/SergioBenitez/Rocket/commits)

---
updated-dependencies:
- dependency-name: rocket_contrib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.toml

@@ -16,7 +16,7 @@ guid-create = "0.2"
 lettre_email = "0.9.2"
 num_cpus = "1.10"
 rocket = "0.4.6"
-rocket_contrib = { version = "0.4.5", features = ["json"] }
+rocket_contrib = { version = "0.4.11", features = ["json"] }
 rocket_i18n = "0.4.1"
 scheduled-thread-pool = "0.2.2"
 serde = "1.0"