message: Fix issue with ReLU layer and integer dtype
  This fix tries to address the issue raised in 35430 where
  ReLU layer + integer dtype causes conversion error.
  This PR fixes the isse by replacing float `0.` with `0`.
  This fix fixes 35430.
diff: @@ -4425,7 +4425,7 @@ def relu(x, alpha=0., max_value=None, threshold=0):
  if clip_max:
  max_value = _constant_to_tensor(max_value, x.dtype.base_dtype)
  - zero = _constant_to_tensor(0., x.dtype.base_dtype)
  + zero = _constant_to_tensor(0, x.dtype.base_dtype)
  x = clip_ops.clip_by_value(x, zero, max_value)
  if alpha != 0.:
  