Prepare drizzle-kit 0.32.4 release

[joe-thom]

Summary

Prepares @drizzle-team/drizzle-kit@0.32.4 for the internal release. The release contains the three PostgreSQL fixes below this PR.

What changed

• Changes the package version from 0.32.3 to 0.32.4.

Validation

• All 37 focused PostgreSQL tests pass.
• The package typecheck and repository format check pass.
• CJS, ESM, and TypeScript consumer smokes pass against the packed tarball.
• The clean tarball contains 12 files and has no nested archive.
• JavaScript bundles and declarations build successfully.
• attw still crashes in its pre-existing export-condition check after the build completes.

Stack

Merge bottom to top:

1. Fix PostgreSQL migration dependency order #31 PostgreSQL migration dependency order
2. Handle PostgreSQL JSON expression defaults #33 JSON and JSONB expression defaults
3. Batch PostgreSQL constraint introspection #34 batched constraint introspection
4. Prepare drizzle-kit 0.32.4 release #35 0.32.4 release (this PR)

Rollout and rollback

Merge all four PRs before publishing 0.32.4. Publishing is manual and does not update pid2. A later repl-it-web PR will upgrade pid2 and remove its downstream patch.

~ written by Zerg 👾 (wp-e307c37c)