Upgrade to axum 0.7, drop 3rd party adapters

packages/fullstack/src/server_context.rs

@@ -228,7 +228,7 @@ impl<T: Send + Sync + Clone + 'static> FromServerContext for FromContext<T> {
 }
 
 #[cfg(feature = "axum")]
-#[cfg_attr(any(docsrs, feature = "nightly-doc"), doc(cfg(feature = "axum")))]
+#[cfg_attr(docsrs, doc(cfg(feature = "axum")))]
 /// An adapter for axum extractors for the server context
 pub struct Axum;