Bump absl-py version to 2.3.0

PiperOrigin-RevId: 763687188

Author: AleksMat

CHANGELOG.md

@@ -8,6 +8,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com).
 
 ### Added
 
+### Changed
+
+### Fixed
+
+## 2.3.0 (2025-05-26)
+
+### Added
+
 *  (testing) Add extension point for letting `TestLoader` specify a custom
    sharding scheme.
 
@@ -16,8 +24,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com).
 *  Update package build and release process. Switched to using `pyproject.toml`,
    `hatch`, and GitHub Actions.
 
-### Fixed
-
 ## 2.2.2 (2025-04-03)
 
 ### Added

absl/__init__.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = '2.2.2'
+__version__ = '2.3.0'