message: Updating estimator version after the final release
diff: @@ -65,7 +65,7 @@ REQUIRED_PACKAGES = [
  'opt_einsum >= 2.3.2',
  'protobuf >= 3.9.2',
  'tensorboard >= 2.3.0, < 3',
  - 'tensorflow_estimator >= 2.2.0, < 2.3.0',
  + 'tensorflow_estimator >= 2.3.0, < 2.4.0',
  'termcolor >= 1.1.0',
  'wrapt >= 1.11.1',
  'wheel >= 0.26',
  