Update version for release 0.5.1

PiperOrigin-RevId: 484076291

Author: lyyanlely

tensorflow_ranking/python/version.py

@@ -17,7 +17,7 @@
 # We follow Semantic Versioning (https://semver.org/)
 _MAJOR_VERSION = '0'
 _MINOR_VERSION = '5'
-_PATCH_VERSION = '0'
+_PATCH_VERSION = '1'
 
 # When building releases, we can update this value on the release branch to
 # reflect the current release candidate ('rc0', 'rc1') or, finally, the official

tensorflow_ranking/tools/pip_package/setup.py

@@ -28,7 +28,7 @@
 # This version string is semver compatible, but incompatible with pip.
 # For pip, we will remove all '-' characters from this string, and use the
 # result for pip.
-_VERSION = '0.5.0'
+_VERSION = '0.5.1'
 
 REQUIRED_PACKAGES = [
     'absl-py >= 0.1.6',