[mlir][arith] Align shift Ops with LLVM instructions on allowed shift amounts (#82133)

This patch aligns the shift Ops in `arith` with respective LLVM instructions.
Specifically, shifting by an amount equal to the bitwidth of the operand
is now defined to return poison.

Relevant discussion:
https://discourse.llvm.org/t/some-question-on-the-semantics-of-the-arith-dialect/74861/10
Relevant issue: https://github.com/llvm/llvm-project/issues/80960