chore: update deps and clean up

crates/auto_update/Cargo.toml

@@ -6,10 +6,12 @@ publish.workspace = true
 
 [dependencies]
 gpui.workspace = true
-instant.workspace = true
 log.workspace = true
 serde.workspace = true
 serde_json.workspace = true
-ureq.workspace = true
+futures.workspace = true
 
-gpui-updater-core = { git = "https://github.com/AprilNEA/gpui-updater" }
+gpui-updater-pre = "0.2"
+
+[dev-dependencies]
+reqwest_client.workspace = true