Bump version for local pHash dedup release (#463)

Author: vinay553

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to the [Nucleus Python Client](https://github.com/scaleapi/n
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.18.4](https://github.com/scaleapi/nucleus-python-client/releases/tag/v0.18.4) - 2026-06-08
+
+### Added
+- `deduplicate_by_phash` local utility for deduplicating `DatasetItem` objects or `items_and_annotation_generator()` rows by `DatasetItem.phash` without making API calls. The utility supports Hamming-distance thresholds from 0 to 64 and returns the surviving input objects, their `DatasetItem`s, reference IDs, and `DeduplicationStats`.
+
 ## [0.18.3](https://github.com/scaleapi/nucleus-python-client/releases/tag/v0.18.3) - 2026-05-18
 
 ### Added

pyproject.toml

@@ -25,7 +25,7 @@ ignore = ["E501", "E741", "E731", "F401"]  # Easy ignore for getting it running
 
 [tool.poetry]
 name = "scale-nucleus"
-version = "0.18.3"
+version = "0.18.4"
 description = "The official Python client library for Nucleus, the Data Platform for AI"
 license =  "MIT"
 authors = ["Scale AI Nucleus Team <nucleusapi@scaleapi.com>"]