chore(deps): update zip requirement from 0.6 to 8.1 in /veza-chat-server

Updates the requirements on [zip](https://github.com/zip-rs/zip2) to permit the latest version.
- [Release notes](https://github.com/zip-rs/zip2/releases)
- [Changelog](https://github.com/zip-rs/zip2/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zip-rs/zip2/compare/v0.6.4...v8.1.0)

---
updated-dependencies:
- dependency-name: zip
  dependency-version: 8.1.0
  dependency-type: direct:production
...

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

veza-chat-server/Cargo.toml

@@ -135,7 +135,7 @@ image = { version = "0.24", features = ["png", "jpeg", "webp"], optional = true
 infer = { version = "0.15", optional = true }                  # Détection de type de fichier
 mime = "0.3"                    # Types MIME
 tempfile = { version = "3.8", optional = true }                # Fichiers temporaires
-zip = { version = "0.6", optional = true }                     # Archives ZIP
+zip = { version = "8.1", optional = true }                     # Archives ZIP
 
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