remove deprecated function

src/model/log.rs

@@ -1,4 +1,4 @@
-use chrono::{DateTime, Local, NaiveDateTime, Utc};
+use chrono::{DateTime, Local, NaiveDateTime, TimeZone, Utc};
 use serde::{Deserialize, Serialize};
 use sqlx::{FromRow, SqlitePool};
 
@@ -41,7 +41,7 @@ LIMIT 1000
 <description>An RSS feed with activities from app.rudernlinz.at</description>"#,
         );
         for log in Self::last(db).await {
-            let utc_time: DateTime<Utc> = DateTime::from_utc(log.created_at, Utc);
+            let utc_time: DateTime<Utc> = Utc::from_utc_datetime(&Utc, &log.created_at);
             let local_time = utc_time.with_timezone(&Local);
             ret.push_str("<item><title>");
             ret.push_str(&format!("({}) {}", local_time, log.msg));