Fix #1592 by encoding aiohttp client session pings

[jasonwbarnett]

Summary

Fixes #1592

Testing

Category

• 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 (Documents)
• /tutorial (PythOnBoardingBot tutorial)
• tests/integration_tests (Automated tests for this library)

Requirements

• 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.

[salesforce-cla]

Thanks for the contribution! Before we can merge this, we need @jasonwbarnett to sign the Salesforce Inc. Contributor License Agreement.

[jasonwbarnett]

I've already signed the CLA

You already signed the CLA on 2024-11-19

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.92%. Comparing base (6bcf7ec) to head (a4e83ea).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1593   +/-   ##
=======================================
  Coverage   84.92%   84.92%           
=======================================
  Files         113      113           
  Lines       12622    12622           
=======================================
  Hits        10719    10719           
  Misses       1903     1903           

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[seratch]

Thank you so much for taking the time to send this PR. Looks great to me; once the CI jobs pass, we will merge it and cut a new patch release.

[jasonwbarnett]

@seratch thanks for releasing this change so quickly. I've deployed this to production and confirmed it's working as expected now.