Xpath Support and Python freethreaded in CI

What's Changed

• prod release by @vinitkumar in #249
• Add Python 3.14t (freethreaded) to testing matrix by @vinitkumar in #251
• Migrate from mypy to ty for type checking by @vinitkumar in #252
• check arm build ubuntu by @vinitkumar in #253
• Modernize Python code to 3.10+ with pyupgrade by @vinitkumar in #254
• feat: improvements to ruff and new python 3.15 by @vinitkumar in #255
• chore(deps): bump starlette from 0.47.2 to 0.49.1 in /docs by @dependabot[bot] in #257
• feat: add xPath support by @vinitkumar in #259

Full Changelog: v5.2.1...v5.3.1