COMP: Add tolerance for patch-based denoising tests on Apple M1
COMP: Add tolerance for patch-based denoising tests on Apple M1

Account for numerical differences on the arm64 Apple Silicon M1 processor.

Kitware/ITK,thewtex/ITK,BRAINSia/ITK,BRAINSia/ITK,richardbeare/ITK,hjmjohnson/ITK,hjmjohnson/ITK,LucasGandel/ITK,thewtex/ITK,vfonov/ITK,InsightSoftwareConsortium/ITK,InsightSoftwareConsortium/ITK,Kitware/ITK,thewtex/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,LucasGandel/ITK,thewtex/ITK,LucasGandel/ITK,thewtex/ITK,richardbeare/ITK,BRAINSia/ITK,hjmjohnson/ITK,thewtex/ITK,richardbeare/ITK,InsightSoftwareConsortium/ITK,thewtex/ITK,InsightSoftwareConsortium/ITK,richardbeare/ITK,LucasGandel/ITK,vfonov/ITK,hjmjohnson/ITK,vfonov/ITK,hjmjohnson/ITK,richardbeare/ITK,vfonov/ITK,BRAINSia/ITK,BRAINSia/ITK,vfonov/ITK,vfonov/ITK,LucasGandel/ITK,richardbeare/ITK,hjmjohnson/ITK,LucasGandel/ITK,Kitware/ITK,InsightSoftwareConsortium/ITK,Kitware/ITK,BRAINSia/ITK,InsightSoftwareConsortium/ITK,richardbeare/ITK,Kitware/ITK,LucasGandel/ITK,Kitware/ITK,vfonov/ITK,BRAINSia/ITK,Kitware/ITK,vfonov/ITK,hjmjohnson/ITK,vfonov/ITK