Implement SIMD comparison instruction translation and execution

[Robbepop]

This also implements lowering for SIMD comparison instructions, e.g. i32x4.gt_s to i32x4.lt_s with swapped operands which is the reason why so many wasmi_ir::Instruction variants got removed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.66%. Comparing base (3eb2ac0) to head (f44c118).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1422      +/-   ##
==========================================
+ Coverage   69.11%   69.66%   +0.55%     
==========================================
  Files         161      161              
  Lines       15724    15803      +79     
==========================================
+ Hits        10867    11009     +142     
+ Misses       4857     4794      -63     

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