release: version 1.19.0

[WilliamBergamin]

This PR is a sanity check for a release

Category

• slack_bolt.App and/or its core components
• slack_bolt.async_app.AsyncApp and/or its core components
• Adapters in slack_bolt.adapter
• Document pages under /docs
• Others

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.

• 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 ./scripts/install_all_and_run_tests.sh after making the changes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.77%. Comparing base (2882708) to head (a46d14d).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1091   +/-   ##
=======================================
  Coverage   91.77%   91.77%           
=======================================
  Files         186      186           
  Lines        6407     6407           
=======================================
  Hits         5880     5880           
  Misses        527      527           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.