2.2.88

## What's Changed
* [OPIK-7965] [FE] feat: render compare prompts as messages and store prompt templates by @JetoPistola in https://github.com/comet-ml/opik/pull/8547
* [NA] [SDK] fix: count Gemini tool_use_prompt_tokens in prompt_tokens by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8668
* [NA] [SDK] fix: record Azure OpenAI haystack components as provider=azure by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8672
* [NA] [SDK] fix: keep audio_url content parts when formatting a chat prompt by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8673
* [NA] [BE] Update model prices file by @CometActions in https://github.com/comet-ml/opik/pull/8698
* [NA] [SDK] [DOCS] Update automatically OpenAPI spec and Fern code by @CometActions in https://github.com/comet-ml/opik/pull/8697
* [OPIK-7791] [QA] e2e specs for release 2.2.86 by @CometActions in https://github.com/comet-ml/opik/pull/8652
* [issue-3224] [FE] fix: pretty-print a conversation logged as span output by @awkoy in https://github.com/comet-ml/opik/pull/8690
* [NA] [BE] fix: price Gemini tool-use prompt tokens as input by @awkoy in https://github.com/comet-ml/opik/pull/8689
* [issue-6205] [FE] Allow static custom headers on OpenAI and OpenRouter providers by @awkoy in https://github.com/comet-ml/opik/pull/8659
* [OPIK-5592] [BE] [FE] feat: show annotation queue membership in traces and threads tables by @alexkuzmik in https://github.com/comet-ml/opik/pull/8532
* [OPIK-6303] [BE] feat: turn annotation queue automation on by default by @alexkuzmik in https://github.com/comet-ml/opik/pull/8687
* [NA] [SDK] feat: simplify the `opik mcp configure` onboarding by @alexkuzmik in https://github.com/comet-ml/opik/pull/8663


**Full Changelog**: https://github.com/comet-ml/opik/compare/2.2.87...2.2.88