TensorFlow Federated 0.65.0

Release 0.65.0

Major Features and Improvements

• Update the representation of a tff.TensorType.shape to be a
  tff.types.ArrayShape instead of tf.TensorShape.

• Updated type_to_py_container``to be able to handletff.SequenceTypes` with
  an unknown Python type.

Breaking Changes

• Moved tff.structure_from_tensor_type_tree to
  tff.types.structure_from_tensor_type_tree.
• Remove the capability to pass an int as the shape of a tff.TensorType.