chore: update templates (#10786)

* chore: update templates

* fix(cli): parse pnpm workspace packages

* chore(changeset): add shadcn patch

* chore(changeset): update description

* ci(templates): validate bun and npx init

* ci(templates): expand package manager validation

* ci(templates): parallelize validation

* ci(templates): allow yarn template lockfiles

* fix(cli): allow yarn template installs in ci