Enhance mla numeric check mechanism (#137)

Co-authored-by: root <root@smci355-ccs-aus-n06-05.cs-aus.dcgpu>

Author: danielhua23

problems/amd_202602/mixed-mla/reference.py

@@ -369,4 +369,4 @@ def ref_kernel(data: input_t) -> output_t:
     )
 
 
-check_implementation = make_match_reference(ref_kernel, rtol=2e-02, atol=2e-02)
+check_implementation = make_match_reference(ref_kernel, rtol=1e-01, atol=1e-01)