update to npm@11.0.0

[cforce]

npm install -g npm@11.0.0
npm error code EBADENGINE
npm error engine Unsupported engine
npm error engine Not compatible with your version of node/npm: npm@11.0.0
npm error notsup Not compatible with your version of node/npm: npm@11.0.0
npm error notsup Required: {"node":"^20.17.0 || >=22.9.0"}
npm error notsup Actual: {"npm":"10.9.0","node":"v18.20.3"}

[pamelafox]

Hm, do we specify the npm version somewhere? I think we only specify the node version?
Maybe you're saying we should upgrade the node version? Our dev container is currently using version 18, which is still in maintenance mode according to this:
https://nodejs.org/en/about/previous-releases