API version migration from v0.6 to v0.7

[CheK539]

The following files will be changed as part of the migration:

• UploadcareFile:
  Remove the following fields: image_info, video_info, rekognition_info, as they have been removed from the API scheme.
  Add the following fields: content_info, metadata, appdata, as they have been added to the API scheme.

• UrlParameters:
  Rename the AddFieldsParameter class to IncludeParameter.

• FilesQueryBuilder:
  Rename the addFields() method to include().

• UploadcareClient:
  Rename the getFileWithRekognitionInfo() method to getFileWithAppData().
  Change the endpoint that the deleteFile() method is using to apiFileStorage because the old one was replaced with this one.
  Remove the storeGroup() method, as its endpoint has been removed.
  Change the createWebhook() and updateWebhook() methods' the type of parameter event to enum.

• FilesQueryBuilder:
  Remove the sorting method by file size, as its parameter has been removed from the API query parameters.

• FilesFragment:
  Remove sorting options by file size.

• UploadcareWebhook:
  Change the type of parameter event to enum.
  Add the following enum constants for event types: file.uploaded, file.infected, file.stored, file.deleted, file.info_updated.

[rsedykh]

👍

Can you also add new webhook event types (and clarify it in this issue/changelog)?