chore: fix swiftformat trailing newline in ConversationConfig

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: renal128

Sources/ElevenLabs/Public/Conversation/ConversationConfig.swift

@@ -260,4 +260,4 @@ public enum MicrophoneMuteMode: Sendable, Equatable {
     ///   - speechThreshold: dB threshold for muted-speech detection.
     ///   - notificationThrottle: Minimum interval between muted-speech callbacks.
     case software(speechThreshold: Float = -35, notificationThrottle: TimeInterval = 3.0)
-}
+}