clippy: changes from nightly clippy

all of this is embeding teh var into teh format macro

src/main.rs

@@ -81,7 +81,7 @@ impl EventHandler for Handler {
       }
 
       if let Err(e) = new_member.add_roles(&ctx, &roles).await {
-        println!("{:?}", e);
+        println!("{e:?}");
       }
     } else {
       let tmp = get_committee(&db, config_server.wolves_id).await;
@@ -146,7 +146,7 @@ Sign up on [UL Wolves]({}) and go to https://discord.com/channels/{}/{} and use
     {
       Ok(_) => {}
       Err(e) => {
-        println!("{:?}", e)
+        println!("{e:?}")
       }
     }
 
@@ -154,7 +154,7 @@ Sign up on [UL Wolves]({}) and go to https://discord.com/channels/{}/{} and use
     match config.committee_server.set_commands(&ctx.http, vec![commands::count::committee::register()]).await {
       Ok(_) => {}
       Err(e) => {
-        println!("{:?}", e)
+        println!("{e:?}")
       }
     }
 
@@ -173,7 +173,7 @@ Sign up on [UL Wolves]({}) and go to https://discord.com/channels/{}/{} and use
     {
       Ok(_) => {}
       Err(e) => {
-        println!("{:?}", e)
+        println!("{e:?}")
       }
     }
   }
@@ -260,7 +260,7 @@ Sign up on [UL Wolves]({}) and go to https://discord.com/channels/{}/{} and use
       };
 
       if let Err(why) = command.edit_response(&ctx.http, EditInteractionResponse::new().content(content)).await {
-        println!("Cannot respond to slash command: {}", why);
+        println!("Cannot respond to slash command: {why}");
       }
     }
   }
@@ -312,6 +312,6 @@ async fn main() {
   // Shards will automatically attempt to reconnect, and will perform
   // exponential backoff until it reconnects.
   if let Err(why) = client.start().await {
-    println!("Client error: {:?}", why);
+    println!("Client error: {why:?}");
   }
 }