Update CHANGES.md for 0.6.0

CHANGES.md

@@ -1,7 +1,16 @@
 
-Version ?.?.? - yyyy-mm-dd
+Version 0.6.0 - yyyy-mm-dd
+
+- Fixed a bug where a `BOUNDING_VOLUMES_INCONSISTENT` error was reported when a tile defined a `transform` [#328](https://github.com/CesiumGS/3d-tiles-validator/pull/328)
+- Allow users to provide schema files for validating custom metadata semantics [#329](https://github.com/CesiumGS/3d-tiles-validator/pull/329)
+- Do not emit warnings when encountering `MAXAR_content_geojson`, `VRICON_class`, or `VRICON_grid` extensions [#330](https://github.com/CesiumGS/3d-tiles-validator/pull/330)
+- Fixes for 3TZ validation [#331](https://github.com/CesiumGS/3d-tiles-validator/pull/331)
+  - Fixed a bug where a 3TZ file could not be referred to with a relative path
+  - Handled the case where completely invalid 3TZ files caused an `INTERNAL_ERROR`
+- Updated `3d-tiles-tools` version to `0.5.0`
+  - Minor updates for the new `async` API that was introduced via [`3d-tiles-tools/pull/167`](https://github.com/CesiumGS/3d-tiles-tools/pull/167)
+  - Includes a bugfix from [`3d-tiles-tools/pull/173](https://github.com/CesiumGS/3d-tiles-tools/pull/173) where 3TZ files that contained certain local ZIP file headers caused an internal error in the validator
 
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 Version 0.5.1 - 2024-12-05