Yarn version is old (1.22.22) , Drupal core needs Yarn 4

[heyyoyo]

The latest version of Yarn provided by Alpine is 1.22.22

Drupal 11 now requires yarn 4 and corepack

https://www.npmjs.com/package/corepack

What I did to get Yarn 4

sudo apk del yarn
sudo npm install -g corepack
corepack enable
corepack prepare yarn@4.9.2 --activate