Update missing CustomIconName (#4157)

.changeset/frank-bottles-care.md

@@ -0,0 +1,5 @@
+---
+"@gitbook/icons": patch
+---
+
+Update missing CustomIconName

packages/icons/src/types.ts

@@ -25,6 +25,11 @@ type CustomIconName =
     | 'vscode'
     | 'mcp'
     | 'chatgpt'
-    | 'claude';
+    | 'claude'
+    | 'bytedance'
+    | 'cohere'
+    | 'common-crawl'
+    | 'deepseek'
+    | 'mistral';
 
 export type IconName = BasicIconName | CustomIconName;