2.2.109

## What's Changed
* [DND-1779] [CI] Build the sandbox executor image on PRs by @AndreiCautisanu in https://github.com/comet-ml/opik/pull/9075
* [NA] [DOCS] docs: one-click install buttons first on the MCP server page by @fschlz in https://github.com/comet-ml/opik/pull/8971
* [OPIK-8636] [FE][BE] fix: offer missing effort levels and use the new model's default effort on a switch by @aadereiko in https://github.com/comet-ml/opik/pull/8841
* [OPIK-8893] [BE] perf: read the trace reads' span weeks from span_weeks by @andrescrz in https://github.com/comet-ml/opik/pull/9076
* [OPIK-8894] [BE] perf: read a thread read's trace ids once in the thread view and threads list span reads by @andrescrz in https://github.com/comet-ml/opik/pull/9078
* [NA] [FE] fix: tell users what to do when a playground run hits a rate limit or the model rejects the prompt's roles by @aadereiko in https://github.com/comet-ml/opik/pull/8747


**Full Changelog**: https://github.com/comet-ml/opik/compare/2.2.108...2.2.109