fix: fmt with different rust version

Signed-off-by: Tomasz Andrzejak <andreiltd@gmail.com>

Author: andreiltd

src/hyperlight_guest/src/error.rs

@@ -17,10 +17,9 @@ limitations under the License.
 use alloc::format;
 use alloc::string::{String, ToString as _};
 
-use anyhow;
 use hyperlight_common::flatbuffer_wrappers::guest_error::ErrorCode;
 use hyperlight_common::func::Error as FuncError;
-use serde_json;
+use {anyhow, serde_json};
 
 pub type Result<T> = core::result::Result<T, HyperlightGuestError>;