Release TFDS 4.6.0.

PiperOrigin-RevId: 452247630

Author: pierrot0

CHANGELOG.md

@@ -8,6 +8,15 @@ and this project adheres to
 
 ## [Unreleased]
 
+### Added
+### Changed
+### Deprecated
+### Removed
+### Fixed
+### Security
+
+## [4.6.0] - 2022-06-01
+
 ### Added
 - Support for community datasets on GCS.
 - [API] `tfds.builder_from_directory` and `tfds.builder_from_directories`, see