Test

Add method='datashader' to render_images for sparse images #1628

Job	Run time
get-environments	10s
hatch-test.py3.14-stable	6m 17s
hatch-test.py3.11-stable	4m 41s
hatch-test.py3.14-pre (PRE-RELEASE DEPENDENCIES)	2m 31s
Tests pass in all hatch environments	2s
	13m 41s

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