chore: addressing clippy uninlined_format_args warnings

Output from clippy 0.1.90 (a001497644 2025-07-14):

> = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#uninlined_format_args
> = note: `#[warn(clippy::uninlined_format_args)]` on by default
> help: change this to
> cmd => panic!("unimplemented {:?}", cmd),
> cmd => panic!("unimplemented {cmd:?}"),

Signed-off-by: AlfredWilmot <[email protected]>

Author: AlfredWilmot

content/tokio/tutorial/shared-state.md

@@ -142,7 +142,7 @@ async fn process(socket: TcpStream, db: Db) {
                     Frame::Null
                 }
             }
-            cmd => panic!("unimplemented {:?}", cmd),
+            cmd => panic!("unimplemented {cmd:?}"),
         };
 
         // Write the response to the client

content/tokio/tutorial/spawning.md

@@ -398,7 +398,7 @@ async fn process(socket: TcpStream) {
                     Frame::Null
                 }
             }
-            cmd => panic!("unimplemented {:?}", cmd),
+            cmd => panic!("unimplemented {cmd:?}"),
         };
 
         // Write the response to the client