Update version and TF version requirement for TFP 0.21.0 release.

Author: jburnim

tensorflow_probability/python/__init__.py

@@ -51,7 +51,7 @@ def _validate_tf_environment(package):
   #
   # Update this whenever we need to depend on a newer TensorFlow release.
   #
-  required_tensorflow_version = '2.11'
+  required_tensorflow_version = '2.13'
 #   required_tensorflow_version = '1.15'  # Needed internally -- DisableOnExport
 
   if (distutils.version.LooseVersion(tf.__version__) <

tensorflow_probability/python/version.py

@@ -16,15 +16,15 @@
 
 # We follow Semantic Versioning (https://semver.org/)
 _MAJOR_VERSION = '0'
-_MINOR_VERSION = '20'
+_MINOR_VERSION = '21'
 _PATCH_VERSION = '0'
 
 # When building releases, we can update this value on the release branch to
 # reflect the current release candidate ('rc0', 'rc1') or, finally, the official
 # stable release (indicated by `_VERSION_SUFFIX = ''`). Outside the context of a
 # release branch, the current version is by default assumed to be a
 # 'development' version, labeled 'dev'.
-_VERSION_SUFFIX = 'dev'
+_VERSION_SUFFIX = ''
 
 # Example, '0.4.0-dev'
 __version__ = '.'.join([