Release 2.0.0

• style: apply oxfmt import sorting and formatting (9c5c6ba)
• ci: update workflow for oxlint/oxfmt and prisma 7 (5eac976)
• docs: update README for v2.0 with migration guide (10140e9)
• chore: bump to v2.0.0, update peer and dev dependencies (f121e28)
• chore: switch to postgres:17-alpine, prisma-client generator (698184f)
• test: update test infrastructure for Prisma 7 adapter (a011328)
• feat!: remove @prisma/client dependency, add generic client type C (f5a1d7f)
• chore: switch linting and formatting to oxc (oxlint + oxfmt) (9043db9)