feat(*): kongponents alpha [KHCP-9494]

[adamdehaven]

Summary

• Update packages for @kong/kongponents@alpha adoption.
• Bumps package versions for a major release to provide a hard cutoff when the initial breaking styles took effect.

metric-cards

Updated the KIcon usage in favor of @kong/icons

PR Checklist

• Naming & Structure: the files and package structure use the conventions outlined in the Creating a Package docs.
• Tests pass: check the output of all package unit and/or component tests.
  • If this PR is the result of a bug, test coverage was added accordingly.
• Functional: all changes do not break existing APIs, but if so, a BREAKING CHANGE commit is in place to bump the major version.
• Conventional Commits all commits follow the conventional commit standards outlined in the main README.
• Docs: includes a technically accurate README, and the docs have been updated accordingly based on the changes in this PR.

[portikM]

LGTM 🚀