enhancement: lazy_load on tabs

[Paul-Bob]

Description

Fixes #3472

Adding lazy_load option for tab.

tabs do
  tab "Address", lazy_load: true do
    # ...
  end
end

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
  • tabs lazy_load docs.avohq.io#340
• I have added tests that prove my fix is effective or that my feature works

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[github-actions]

This PR has been merged into main. The functionality will be available in the next release.

Please check the release guide for more information.