Adding the auth_teams_list method

[filmaj]

Summary

This fixes #1212.

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.socket_mode (Socket Mode client)
• slack_sdk.signature (Request Signature Verifier)
• slack_sdk.oauth (OAuth Flow Utilities)
• slack_sdk.models (UI component builders)
• slack_sdk.scim (SCIM API client)
• slack_sdk.audit_logs (Audit Logs API client)
• slack_sdk.rtm_v2 (RTM client)
• /docs-src (Documents, have you run ./scripts/docs.sh?)
• /docs-src-v2 (Documents, have you run ./scripts/docs-v2.sh?)
• /tutorial (PythOnBoardingBot tutorial)
• tests/integration_tests (Automated tests for this library)

Requirements (place an x in each [ ])

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.
• I've run python3 -m venv .venv && source .venv/bin/activate && ./scripts/run_validation.sh after making the changes.

[seratch]

We have been adding all the optional args to the keyword arguments since this PR #1099

Can you add the three listed here? https://api.slack.com/methods/auth.teams.list

[codecov]

Codecov Report

Merging #1213 (6fa1a80) into main (e4df183) will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1213      +/-   ##
==========================================
+ Coverage   86.54%   86.58%   +0.03%     
==========================================
  Files         111      111              
  Lines       10934    10943       +9     
==========================================
+ Hits         9463     9475      +12     
+ Misses       1471     1468       -3     

Impacted Files	Coverage Δ
slack_sdk/web/async_client.py	85.14% <100.00%> (+0.04%)	⬆️
slack_sdk/web/client.py	86.52% <100.00%> (+0.04%)	⬆️
slack_sdk/web/legacy_client.py	86.24% <100.00%> (+0.04%)	⬆️
slack_sdk/socket_mode/builtin/internals.py	72.36% <0.00%> (+1.31%)	⬆️

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[filmaj]

@seratch ah yes my bad, adding now.