Node.js - yarn自身をアップデートする方法

npm install yarn -g

D:\test-react\myapp>yarn --version
1.22.10

D:\test-react\myapp>npm install yarn -g

> yarn@1.22.15 preinstall C:\Users\xxxxx\AppData\Roaming\npm\node_modules\yarn
> :; (node ./preinstall.js > /dev/null 2>&1 || true)

C:\Users\xxxxx\AppData\Roaming\npm\yarn -> C:\Users\xxxxx\AppData\Roaming\npm\node_modules\yarn\bin\yarn.js
C:\Users\xxxxx\AppData\Roaming\npm\yarnpkg -> C:\Users\xxxxx\AppData\Roaming\npm\node_modules\yarn\bin\yarn.js
+ yarn@1.22.15
updated 1 package in 1.663s

D:\test-react\myapp>