William Isaksson authored Jul 17, 2023 and Fredrik Svedberg committed Jul 24, 2023

- Updated FlatBuffers files using TensorFlow 2.12.0 schema

- Added restriction for UnidirectionalSequenceLSTM to have 2D recurrent
  weights to handle that diagonal_recurrent_tensors attr is not
  currently supported.

Change-Id: I104fd1f52485b9b83d644772dbcdeea2d17585f0
Signed-off-by: William Isaksson <william.isaksson@arm.com>