docs: add plugin release-it-pnpm

[hyoban]

I also updated the node version in .nvmrc, because it failed when installing dependencies:

npm ERR! code EBADENGINE
npm ERR! engine Unsupported engine
npm ERR! engine Not compatible with your version of node/npm: release-it@17.1.1
npm ERR! notsup Not compatible with your version of node/npm: release-it@17.1.1
npm ERR! notsup Required: {"node":">=18"}
npm ERR! notsup Actual:   {"npm":"8.19.4","node":"v16.20.2"}

[webpro]

Thanks @hyoban! Interesting plugin, I'll mention it on Twitter and in some issues here too.

[webpro]

🚀 This pull request is included in v17.2.0. See Release 17.2.0 for release notes.