ENH: Add Python example for ConvolveImageWithKernel #975

Job	Run time
build-test-python-superbuild (windows-2022)	17m 47s
build-test-cxx (macos-14)	10m 31s
build-test-documentation (ubuntu-24.04)	32m 5s
build-test-python-superbuild (ubuntu-24.04)	17m 52s
build-test-notebooks (windows-2022)	4m 19s
build-test-python-superbuild (macos-15)	17m 43s
build-test-notebooks (ubuntu-24.04)	2m 25s
build-test-cxx (windows-2022)	24m 28s
build-test-cxx (ubuntu-24.04)	12m 52s
build-test-notebooks (macos-14)	2m 20s
	2h 22m 22s

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