chore(deps): update tonic requirement in /veza-chat-server

Updates the requirements on [tonic](https://github.com/hyperium/tonic) to permit the latest version.
- [Release notes](https://github.com/hyperium/tonic/releases)
- [Changelog](https://github.com/hyperium/tonic/blob/master/CHANGELOG.md)
- [Commits](https://github.com/hyperium/tonic/compare/v0.11.0...v0.13.1)

---
updated-dependencies:
- dependency-name: tonic
  dependency-version: 0.13.1
  dependency-type: direct:production
...

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

veza-chat-server/Cargo.toml

@@ -141,7 +141,7 @@ zip = { version = "0.6", optional = true }                     # Archives ZIP
 # ═══════════════════════════════════════════════════════════════════════
 # gRPC ET COMMUNICATION INTER-SERVICES
 # ═══════════════════════════════════════════════════════════════════════
-tonic = { version = "0.11", features = ["transport", "prost"] }
+tonic = { version = "0.14", features = ["transport", "prost"] }
 prost = "0.12"
 prost-types = "0.14"
 tokio-stream = "0.1"