Update to pnpm 11

[simolus3]

This updates workspaces to the latest pnpm version. For the main package, I ran the recommended codemod. For demos, I manually ran pnpm install, fixing stuff until it worked.

The main difference is that pnpm 10 used onlyBuiltDependencies to declare which packages are allowed to run (post-)install scripts. In pnpm 11, we have to make an explicit choice for every dependency (pnpm install fails otherwise). I've enabled better-sqlite3, wa-sqlite and a few build tools and left other packages disabled).

[changeset-bot]

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Latest commit: 5f9d4b6

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