feat: event buffer should use logger.debug instead of logger.info (#1689)

The `logger.info` makes Baileys' log verbose.

The flush is executed constantly and could be more useful during troubleshooting
sessions with log level = debug

src/Utils/event-buffer.ts

@@ -84,7 +84,7 @@ export const makeEventBuffer = (logger: ILogger): BaileysBufferableEventEmitter
 
 	function buffer() {
 		if (!isBuffering) {
-			logger.info('Event buffer activated')
+			logger.debug('Event buffer activated')
 			isBuffering = true
 		}
 	}
@@ -94,7 +94,7 @@ export const makeEventBuffer = (logger: ILogger): BaileysBufferableEventEmitter
 			return false
 		}
 
-		logger.info('Flushing event buffer')
+		logger.debug('Flushing event buffer')
 		isBuffering = false
 
 		const newData = makeBufferData()