Updating ColorMapToLUT test images

There is a slight visual difference between the original and final colormap, however testing does not detect it.

Updating ColorMapToLUT test images
f3791476 · Andrew Maclean · 322e6245 · 322e6245 · f3791476 · 322e6245
Commit f3791476 authored 1 year ago by Andrew Maclean
--- a/src/Testing/Baseline/Cxx/Utilities/TestColorMapToLUT.png
+++ b/src/Testing/Baseline/Cxx/Utilities/TestColorMapToLUT.png
--- a/src/Testing/Baseline/Python/Utilities/TestColorMapToLUT.png
+++ b/src/Testing/Baseline/Python/Utilities/TestColorMapToLUT.png
--- a/src/Testing/Baseline/Python/Utilities/TestColorMapToLUT_JSON.png
+++ b/src/Testing/Baseline/Python/Utilities/TestColorMapToLUT_JSON.png
--- a/src/Testing/Baseline/Python/Utilities/TestColorMapToLUT_XML.png
+++ b/src/Testing/Baseline/Python/Utilities/TestColorMapToLUT_XML.png