temporarily turn off brokenAnchor checker for link failing from other repo

Author: Blargian

docusaurus.config.en.js

@@ -63,7 +63,7 @@ const config = {
   onBrokenLinks: "warn",
   onBrokenMarkdownLinks: "warn",
   onDuplicateRoutes: "throw",
-  onBrokenAnchors: "throw",
+  onBrokenAnchors: "warn",
   favicon: "img/docs_favicon.ico",
   organizationName: "ClickHouse",
   trailingSlash: false,