LiteLLM raw spans excluded from app roots; experiment latency separated

What's Changed

• chore(deps): bump astral-sh/setup-uv from 8.2.0 to 8.3.0 in the github-actions group by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1754
• feat(api): update API spec from langfuse/langfuse a44d88c by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1749
• chore(deps): bump astral-sh/setup-uv from 8.3.0 to 8.3.1 in the github-actions group by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1757
• chore(deps): bump the github-actions group with 3 updates by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1759
• fix(tracing): exclude LiteLLM raw spans from app roots by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1761
• feat(api): update API spec from langfuse/langfuse 51cf9d9 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1763
• docs: upgrade docstrings as a first-class documentation surface for AI agents by @jannikmaierhoefer in https://github.com/langfuse/langfuse-python/pull/1760
• chore(deps): bump slackapi/slack-github-action from 3.0.3 to 3.0.4 in the github-actions group by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1765
• chore(deps): bump slackapi/slack-github-action from 3.0.4 to 3.0.5 in the github-actions group by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1769
• fix(experiments): separate task and evaluator latency by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1767

New Contributors

• @jannikmaierhoefer made their first contribution in https://github.com/langfuse/langfuse-python/pull/1760

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v4.14.0...v4.14.1