chore(deps): update loco-rs requirement from 0.2.3 to 0.3.1 (#263)

---
updated-dependencies:
- dependency-name: loco-rs
  dependency-type: direct:production
...

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examples/loco-rooms-chat/Cargo.toml

@@ -6,7 +6,7 @@ rust-version = "1.70"    # required by loco
 
 [dependencies]
 
-loco-rs = { version = "0.2.3", default-features = false, features = [
+loco-rs = { version = "0.3.1", default-features = false, features = [
     "cli",
     "channels",
 ] }