ENH: Migrate example itkGrayscaleFunctionDilateImageFilter #959

Job	Run time
build-test-python-superbuild (windows-2022)	20m 4s
build-test-documentation (ubuntu-24.04)	43m 9s
build-test-notebooks (ubuntu-24.04)	2m 14s
build-test-cxx (macos-14)	22m 14s
build-test-python-superbuild (ubuntu-24.04)	20m 4s
build-test-notebooks (windows-2022)	3m 51s
build-test-python-superbuild (macos-15)	20m 0s
build-test-cxx (ubuntu-24.04)	19m 9s
build-test-cxx (windows-2022)	24m 22s
build-test-notebooks (macos-14)	2m 39s
	2h 57m 46s

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