clippy: changes from nightly clippy

all of this is embeding teh var into teh format macro

src/commands/role_adder.rs

@@ -79,8 +79,8 @@ pub mod edit {
     match add_server(&db, &server_data, delete).await {
       Ok(_) => {}
       Err(e) => {
-        println!("{:?}", e);
-        return format!("Failure to insert into Servers {:?}", server_data);
+        println!("{e:?}");
+        return format!("Failure to insert into Servers {server_data:?}");
       }
     }
 
@@ -101,9 +101,9 @@ pub mod edit {
     }
 
     if delete {
-      format!("Removed {} + {} = {}", role_a_name, role_b_name, role_c_name)
+      format!("Removed {role_a_name} + {role_b_name} = {role_c_name}")
     } else {
-      format!("Added {} + {} = {}", role_a_name, role_b_name, role_c_name)
+      format!("Added {role_a_name} + {role_b_name} = {role_c_name}")
     }
   }
 
@@ -179,13 +179,13 @@ pub mod tools {
 
       if !roles_add.is_empty() {
         if let Err(e) = new_data.add_roles(&ctx, &roles_add).await {
-          println!("{:?}", e);
+          println!("{e:?}");
         }
       }
 
       if !roles_remove.is_empty() {
         if let Err(e) = new_data.remove_roles(&ctx, &roles_remove).await {
-          println!("{:?}", e);
+          println!("{e:?}");
         }
       }
     }