SDK 12.0 Migration Guide for iOS

With the release of version 12.0.0, a whole host of new products have been released such as, Session Replay, App Ratings, and Rollout Management. Along with this release, a few APIs have been changed to better suit these new features and in order to improve the usage of these APIs.

Class	Deprecated API	Corresponding API
`IBGAPM`	`logLevel`	`Instabug.sdkDebugLogsLevel`
`IBGAPM`	`appLaunchEnabled`	`IBGAPM.coldAppLaunchEnabled`
`IBGCrashReporting`	`(void)reportError:(NSError _)error withGroupingString:(NSString _)groupingString`	Refer to the API here.
`IBGCrashReporting`	`(void)reportException:(NSException _)exception withGroupingString:(NSString _)groupingString`	Refer to the API here.
`IBGCrashReporting`	`(void)reportError:(NSError _)error withUserAttributes:(NSDictionary \<NSString _, NSString _>_)userAttributes`	Refer to the API here.
`IBGCrashReporting`	`(void)reportException:(NSException _)exception withUserAttributes:(NSDictionary \<NSString _, NSString _>_)userAttributes`	Refer to the API here.
`IBGCrashReporting`	`(void)reportError:(NSError \*)error`	Refer to the API here.
`IBGCrashReporting`	`(void)reportException:(NSException \*)exception`	Refer to the API here.
`IBGNetworkLogger`	`(void)setCanAuthenticateAgainstProtectionSpaceHandler:(BOOL(^\_Nonnull)(NSURLProtectionSpace \* \_Nonnull protectionSpace))protectionSpaceHandler`	`[NSURLSessionTaskDelegate URLSession:task:didReceiveChallenge:completionHandler:]`
`IBGNetworkLogger`	`(void)setDidReceiveAuthenticationChallengeHandler:(NSURLCredential\_ _Nullable (^\_Nonnull)(NSURLAuthenticationChallenge _ \_Nonnull challenge))receiveChallengeHandler`	`[NSURLSessionTaskDelegate URLSession:task:didReceiveChallenge:completionHandler:]`
`IBGTypes`	`kIBGInvalidCommentMessageStringName`	`kIBGInsufficientContentTitleStringName`
`IBGTypes`	`kIBGInvalidCommentTitleStringName`	`kIBGInsufficientContentMessageStringName`
`IBGTypes`	`kIBGFeatureRequestsPromptName`	Removed.
`IBGTypes`	`IBGBugReportingInvocationOption`	`IBGBugReportingOption`