#3634 refactor: Fix some types in stream map expression evaluation Pull request opened by edgarrmondragon SSIA Summary by Sourcery Align expression evaluation typing in the Mapper with the AST API and clean up related typing workarounds. Enhancements: • Broaden Mapper expression and filter rule parsed node types from ast.Expr to ast.stmt to match ast.parse output. • Remove an unnecessary typing ignore on flattening options in stream initialization and rely on corrected types. Build: • Update the ty typing helper dependency version in pyproject.toml to 0.0.35. meltano/sdk