Test

Fix render_labels silently accepting fill_alpha=0 and outline_alpha=0… #1504

Job	Run time
get-environments	8s
hatch-test.py3.14-pre (PRE-RELEASE DEPENDENCIES)	3m 30s
hatch-test.py3.14-stable	5m 33s
hatch-test.py3.11-stable	4m 23s
Tests pass in all hatch environments	5s
	13m 39s

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