Log at the end of Kotlin mention processing to check the timings

Author: madhead

kotlin/src/main/kotlin/by/jprof/telegram/bot/kotlin/KotlinMentionsUpdateProcessor.kt

@@ -118,5 +118,7 @@ class KotlinMentionsUpdateProcessor(
             ),
             replyToMessageId = message.messageId,
         )
+
+        logger.info("Kotlin mention reported!")
     }
 }