Add Pinia 3 support

[yusufkandemir]

Not many breaking changes: https://pinia.vuejs.org/cookbook/migration-v2-v3.html

We probably only need to update peerDependencies range in app-vite and app-webpack, then update create-quasar templates to scaffold Pinia v3.

Discussed in #17819

^{Originally posted by mtdvlpr February 11, 2025}
Please add support for pinia@^3.0.0

[rstoenescu]

Available in q/app-vite v2.1 & q/app-webpack v4.1