feat(server): change semantic versioning to dynamic build date (yyyy.mm.dd)

server/src/main.rs

@@ -245,7 +245,7 @@ fn run_server(state: Arc<MemoryState>) -> Result<(), Box<dyn std::error::Error>>
         let app = Router::new()
             .route("/api/version", get(|| async move {
                 axum::Json(serde_json::json!({
-                    "version": env!("CARGO_PKG_VERSION"),
+                    "version": env!("BUILD_DATE"),
                     "git_hash": option_env!("GIT_HASH").unwrap_or("unknown")
                 }))
             }))