prepare publish notes

Author: XingY

CHANGE.txt

@@ -5,7 +5,7 @@ LabKey Python Client API News
 What's New in the LabKey 4.3.0 package
 ==============================
 
-*Release date: XX/2026*
+*Release date: 06/29/2026*
 - Freezer Manager API - add `auditUserComment` to create/update/delete_storage_item
 
 What's New in the LabKey 4.2.0 package

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name="labkey"
-version = "4.2.0"
+version = "4.3.0"
 description = "Python client API for LabKey Server"
 dependencies = ["requests>=2.32.5"]
 readme = "README.md"