fix: save cli config as a toml file (#4652)

Signed-off-by: Omar Mohamed <mohamed.omar67492@gmail.com>

packages/cli/src/workspace.rs

@@ -530,7 +530,7 @@ impl Workspace {
     }
 
     pub(crate) fn global_settings_file() -> PathBuf {
-        Self::dioxus_data_dir().join("settings.json")
+        Self::dioxus_data_dir().join("settings.toml")
     }
 }