Add doc_auto_cfg to all crates (Azure#2941)

Author: heaths

sdk/keyvault/azure_security_keyvault_certificates/src/lib.rs

@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 
 #![doc = include_str!("../README.md")]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 pub mod clients;
 #[allow(unused_imports)]

sdk/keyvault/azure_security_keyvault_keys/src/lib.rs

@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 
 #![doc = include_str!("../README.md")]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 #[expect(deprecated, reason = "requires emitter update")]
 mod generated;

sdk/keyvault/azure_security_keyvault_secrets/src/lib.rs

@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 
 #![doc = include_str!("../README.md")]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 #[expect(deprecated, reason = "requires emitter update")]
 mod generated;

sdk/storage/azure_storage_blob/src/lib.rs

@@ -6,6 +6,7 @@
 #![doc = include_str!("../README.md")]
 #![allow(dead_code)]
 #![allow(unused_imports)]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 pub mod clients;
 #[expect(deprecated, reason = "requires emitter update")]

sdk/typespec/typespec_macros/src/lib.rs

@@ -1,6 +1,8 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
 use syn::{parse_macro_input, DeriveInput};
 
 extern crate proc_macro;