Replace :emoji: codes with the actual emoji (#2144)

axum-macros/README.md

@@ -23,7 +23,7 @@ with your question.
 
 ## Contributing
 
-:balloon: Thanks for your help improving the project! We are so happy to have
+🎈 Thanks for your help improving the project! We are so happy to have
 you! We have a [contributing guide][contributing] to help you get involved in the
 `axum` project.
 

axum-macros/tests/from_request/pass/state_enum_via.rs

@@ -1,5 +1,5 @@
 use axum::{
-    extract::{State, FromRef},
+    extract::{FromRef, State},
     routing::get,
     Router,
 };
@@ -30,6 +30,6 @@ enum InnerState {}
 
 impl FromRef<AppState> for InnerState {
     fn from_ref(_: &AppState) -> Self {
-        todo!(":shrug:")
+        todo!("🤷")
     }
 }

axum-macros/tests/from_request/pass/state_enum_via_parts.rs

@@ -1,5 +1,5 @@
 use axum::{
-    extract::{State, FromRef},
+    extract::{FromRef, State},
     routing::get,
     Router,
 };
@@ -31,6 +31,6 @@ enum InnerState {}
 
 impl FromRef<AppState> for InnerState {
     fn from_ref(_: &AppState) -> Self {
-        todo!(":shrug:")
+        todo!("🤷")
     }
 }