TensorFlow Federated 0.24.0

Release 0.24.0

Major Features and Improvements

• Added asyncio.run call to metrics manager release calls to ensure
  compatibility with a98b5ed.
• Added an example and documentation for the Federated Program API.
• Improved model_update_aggregator to support structures with mixed floating dtypes.
• Create a mirror of tff.simulation.compose_dataset_computation_with_iterative_process for tff.learning.templates.LearningProcess.
• Added logging of expected sequential computations to local TFF-C++ runtime.

Breaking Changes

• Moved asserts from tff.test.TestCase to tff.test.* as functions.
• Removed assert_type_assignable_from function.
• Moved assert_nested_struct_eq to the type_conversions_test module.
• Removed client_train_process and fedavg_ds_loop comparisons.

Bug Fixes

• Fixed comparisons to enums in the benchmarks package.
• Fixed async_utils.SharedAwaitable exception raiser.
• Fixed various lint errors.