Add support for new report schemas

[andrii-bodnar]

The Crowdin reports API has been extended with new schemas:

• source-content-updates
• project-members
• editor-issues
• qa-check-issues
• saving-activity
• translation-activity
• group-task-usage (Enterprise only)
• group-qa-check-issues (Enterprise only)
• group-translation-activity (Enterprise only)

References:

• Generate Report
• Generate Group Report (Enterprise only)
• Generate Organization Report (Enterprise only)

[Suvrat1629]

Hey @andrii-bodnar I would like to take a stab at this. Could you please assign it to me.
Thank you.