refactor: index 'BucketCreated' event params

Author: dtbuchholz

src/interfaces/IBucketManager.sol

@@ -10,7 +10,7 @@ interface IBucketManager {
     /// @dev Emitted when a bucket is created.
     /// @param owner The owner.
     /// @param data The CBOR encoded response—array with two values including the bucket's ID and robust (t2) addresses.
-    event BucketCreated(address indexed owner, bytes data);
+    event BucketCreated(address indexed owner, bytes indexed data);
 
     /// @dev Emitted when an object is added to a bucket.
     /// @param owner The owner.