chore(cli): clarify --skills option description (#39976)

Author: yury-s

packages/playwright-core/src/tools/cli-daemon/commands.ts

@@ -926,7 +926,7 @@ const install = declareCommand({
   category: 'install',
   args: z.object({}),
   options: z.object({
-    skills: z.string().optional().describe('Install skills to ".claude" (default) or ".agents" dir'),
+    skills: z.string().optional().describe('Install skills, possible values: claude (default), agents.'),
   }),
   toolName: '',
   toolParams: () => ({}),