build: upload floating major and minor versions on release

[zimeg]

Summary

This PR uploads floating major and minor versions on release to avoid unexpected breaking changes when installing the latest version in downstream actions.

This might unlock the following for whatever the latest of v3 is:

curl -fsSL https://downloads.slack-edge.com/slack-cli/install.sh | bash -s -- -v 3.x.x

Preview

slack_cli_3.6.0-6-g859d4f1_linux_64-bit.tar.gz
slack_cli_3.6.x_linux_64-bit.tar.gz
slack_cli_3.x.x_linux_64-bit.tar.gz

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.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.94%. Comparing base (859d4f1) to head (f9bccdf).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #199   +/-   ##
=======================================
  Coverage   62.94%   62.94%           
=======================================
  Files         212      212           
  Lines       21782    21782           
=======================================
  Hits        13711    13711           
  Misses       7009     7009           
  Partials     1062     1062           

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[zimeg]

📣 https://github.com/slackapi/slack-cli/releases/tag/v3.6.0-zimeg-build-x-version

[zimeg]

Some docs pages might find updates, but hoping to avoid merge conflicts as unrelated changes to installation scripts happen otherwise:

📚 https://docs.slack.dev/tools/slack-cli/guides/installing-the-slack-cli-for-mac-and-linux
📚 https://docs.slack.dev/tools/slack-cli/guides/installing-the-slack-cli-for-windows

[ewanek1]

Woah crazy fast... LGTM! 👏

[zimeg]

📫 Leaving a note to update soon-

[zimeg]

📝 todo: The build architecture is falling back to "universal" with the current semver comparisons!