fix(pnpm): do not set catalogMode when catalogs is not enabled

Author: antfu

src/configs/pnpm.ts

@@ -87,9 +87,9 @@ export async function pnpm(
       rules: {
         'pnpm/yaml-enforce-settings': ['error', {
           settings: {
-            catalogMode: 'prefer',
             shellEmulator: true,
             trustPolicy: 'no-downgrade',
+            ...(catalogs ? { catalogMode: 'prefer' } : {}),
           },
         }],
         'pnpm/yaml-no-duplicate-catalog-item': 'error',