EsLint v9 (#154)

* Upgrade ESLint and related configurations to version 9

- Update ESLint to version 9.19.0
- Migrate ESLint configurations to flat config format
- Remove deprecated ESLint config files
- Update package dependencies and configurations
- Simplify ESLint setup across packages
- Remove unnecessary ESLint config blocks from package.json files
- Improved CI caching with Turborepo tasks
- Removed duplicate styles

packages/cms/wordpress/src/wp-client.ts

@@ -75,10 +75,7 @@ class WordpressClient implements CmsClient {
     }
 
     if (options?.tags) {
-      const allTags = [
-        ...options.tags,
-        options.language ?? '',
-      ].filter(Boolean);
+      const allTags = [...options.tags, options.language ?? ''].filter(Boolean);
 
       const ids = await this.getTags({
         slugs: allTags,