SCIM version 2.0 support

[seratch]

SCIM API v2 is now available. This SDK will add its support in the next release. Refer to https://api.slack.com/admins/scim2 for details.

Category (place an x in each of the [ ])

• [ ] slack_sdk.web.WebClient (sync/async) (Web API client)
• [ ] slack_sdk.webhook.WebhookClient (sync/async) (Incoming Webhook, response_url sender)
• [ ] slack_sdk.models (UI component builders)
• [ ] slack_sdk.oauth (OAuth Flow Utilities)
• [ ] slack_sdk.socket_mode (Socket Mode client)
• [ ] slack_sdk.audit_logs (Audit Logs API client)
• [x] slack_sdk.scim (SCIM API client)
• [ ] slack_sdk.rtm (RTM client)
• [ ] slack_sdk.signature (Request Signature Verifier)

Requirements

Please read the Contributing guidelines and Code of Conduct before creating this issue or pull request. By submitting, you are agreeing to those rules.