Add ability to install yarn v2+

[kroleg]

what i did:

• renamed methods for v1
• added asdf_yarn_v2_plus_install and asdf_yarn_install with simple v1/v2+ switch
  • based on where corepack gets yarn: https://github.com/nodejs/corepack/blob/a05aec69ff6a8f9a523f9b34e32ba6332d0ce4de/config.json#L135
  • there is no signature for js file, so nothing to verify
  • need to chmod +x
• added v2+ versions to list-all output

[kroleg]

@canterberry please let me know if you have time to review this.
If you don't want (or just don't have time) to maintain this plugin anymore can you please consider transferring it to community ? https://github.com/asdf-vm/asdf-plugins?tab=readme-ov-file#asdf-community

[kroleg]

list-all output. Not sure if should filter out release candidates from list

[kroleg]

Will reopen after transfer to asdf-community