docs: correct binary size estimates to ~12MB for default build

Fix rbac_tests: update GRANT assertion to use INSERT OR IGNORE

Update Cargo.lock version metadata

fix: restore is_jsonb_expression functions with #[allow(dead_code)]

- Added back is_jsonb_expression() and is_jsonb_contains_operation()
- Marked with #[allow(dead_code)] to suppress warnings
- Fixes broken tests

Remove Windows builds from main release workflow, add separate Window…

…s workflow

Windows builds have additional compatibility issues:
- Uses Unix-specific APIs (std::os::unix::io::AsRawFd) for output redirection
- pg_parse C library doesn't compile on Windows

Changes:
- Removed Windows targets from release.yml
- Created release-windows.yml for separate Windows builds
- Fixed parser.rs warnings by conditionally importing Context trait
- Windows builds use --no-default-features (no plpgsql support)