renameCollection method
Implementation
@override
Future<CollectionInfo> renameCollection(String collectionName, String newDocsName) async {
Collection collection = await client.getCollection(name: collectionName);
Map<String, dynamic> metadata = Map<String, dynamic>.from(collection.metadata!);
metadata[docsNameKey] = newDocsName;
await collection.modify(name: collectionName, metadata: metadata);
return CollectionInfo(name: collectionName, docsName: newDocsName);
}