v6.0.5

What changed

• Fixed double-escaping of XML attribute values for invalid key names
• Fixed Rust backend float formatting to match Python output
• Fixed iteration errors being swallowed in the Rust backend
• Validated custom_root as a proper XML element name
• Reduced Rust writer allocations and removed duplicated dispatch logic
• Bumped pyo3 and Rust binding versions
• Added the missing xmltodict dependency to the Rust CI workflow

Full changelog

v6.0.4...v6.0.5