Replace `better-sqlite3` with `node:sqlite`

[viceice]

• reduce size (~10MB + ~2MB native node lib)
• prebuild-install sub-dep no longer maintained
• https://npmx.dev/package/better-sqlite3
• no experimental warning since node v24.15.0

[jamietanna]

Will we need to bump the minimum minor Node version required? If so: I think we're going to need to bump the Renovate major