Unitxt 1.24.0

What's Changed

• External client for wml infer engine by @matanor in #1817
• Improved JoinStream error messages by @yoavkatz in #1819
• Added param to control of confidence interval calculation in evaluate api by @yoavkatz in #1815
• extend code coverage some by @dafnapension in #1814
• Make api_key_env_var optional in LoadFromAPI by @martinscooper in #1799
• Fix Issue with multi byte token decoding by @elronbandel in #1821
• Fix ruff format pre-commit by @elronbandel in #1822
• Test eval utils with external client by @matanor in #1820
• Improved and Optimized JaccardIndex , Spearman, StringContainment metrics and added MSE and RMSE metrics by @elronbandel in #1816
• Update version to 1.24.0 by @elronbandel in #1823

Full Changelog: 1.23.1...1.24.0