v1.6.beta5

What's Changed

• Use uv in ci by @podkidyshev in #835
• Bump tornado from 6.5.4 to 6.5.5 by @dependabot[bot] in #833
• Add SGLang workload by @amaslenn in #834
• Merge common part of vLLM and SGLang by @amaslenn in #836
• NIXL update: filepath and device_list by @podkidyshev in #829
• Agents caching by @podkidyshev in #837
• Add support for x2 nodes serving for vLLM and SGLang by @amaslenn in #839

Full Changelog: v1.6.beta4...v1.6.beta5