Fixed clippy, updated dependencies

src/database.rs

@@ -34,7 +34,7 @@ impl Database {
                 Database { conn_pool: pool }
             }
             Err(err) => {
-                error!("Failed to connect to the database: {:?}", err);
+                error!("Failed to connect to the database: {err:?}");
                 std::process::exit(1);
             }
         }
@@ -51,7 +51,7 @@ impl Database {
         match migrate!().run(&self.conn_pool).await {
             Ok(()) => {}
             Err(e) => {
-                error!("Error when running migrations {}", e);
+                error!("Error when running migrations {e}");
                 std::process::exit(1);
             }
         };
@@ -65,12 +65,13 @@ impl Database {
         Ok(())
     }
 
+     #[allow(dead_code)]
     pub async fn update_display_name(
         &self,
         device_id: &MacAddress,
         display_name: &str,
     ) -> Result<(), DatabaseError> {
-        info!("Adding Displayname {display_name} to Device with ID {device_id}");
+        info!("Updating Displayname to {display_name} for Device with ID {device_id}");
         query!(
             "UPDATE Devices SET display_name = $1 WHERE id = $2;",
             display_name,
@@ -93,7 +94,7 @@ impl Database {
         let exists = match exists_result {
             Ok(res) => res.count > Some(0),
             Err(err) => {
-                error!("Error checking table existence: {:?}", err);
+                error!("Error checking table existence: {err:?}");
                 std::process::exit(1);
             }
         };