עדכון v2.22.0: שיפורים ב-MCPToolset ו-Gemini

תקציר מקורי באנגלית<h2>What's Changed</h2> <h3>🚀 Features</h3> <ul> <li>Allow <code>MCPToolset</code> clients to skip optional MCP tasks via <code>prefer_tasks</code> by <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/adtyavrdhn/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/adtyavrdhn">@adtyavrdhn</a> in <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="5012280234" data-permission-text="Title is private" data-url="https://github.com/pydantic/pydantic-ai/issues/6851" data-hovercard-type="pull_request" data-hovercard-url="/pydantic/pydantic-ai/pull/6851/hovercard" href="https://github.com/pydantic/pydantic-ai/pull/6851">#6851</a></li> <li>Default Gemini <code>VALIDATED