🛡️ תיקון בטיחותי ב-v2.52.0

תקציר מקורי באנגלית<h3>🛡️ Security</h3> <p>This release fixes one security issue in <code>web_fetch</code>. See the advisory for full details and affected versions.</p> <ul> <li><strong><a href="https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-v36g-jcw9-x7cw">GHSA-v36g-jcw9-x7cw</a></strong> (moderate): converting attacker-controlled HTML with deeply nested elements in the local <code>web_fetch</code> tool could consume excessive CPU and memory. Provider-native web fetching is not affected. Reported by <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/SounLabs/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/SounLabs">@SounLabs</a>. (<a class="issue-link js-issue-link" data-error-text="Fai