Do not log using raw print in SettingsCacheClient

Author: shivatinker

FirebaseSessions/Sources/Settings/SettingsCacheClient.swift

@@ -129,7 +129,7 @@ final class SettingsCache: SettingsCacheClient {
  guard let duration = cacheContent[Self.flagCacheDuration] as? Double else {
  return Self.cacheDurationSecondsDefault
  }
- print("Duration: \(duration)")
+ Logger.logDebug("[Settings] Cache duration: \(duration)")
  return duration
  }
 }