(maint) Update template ref for testing purposes #767

Job	Run time
spec (ruby 3.2) / spec	45s
spec (ruby 2.7) / spec	48s
acceptance (ruby 2.7 \| ubuntu-latest) / acceptance	12m 45s
acceptance (ruby 3.2 \| ubuntu-latest) / acceptance	12m 28s
acceptance (ruby 2.7 \| windows-2019) / acceptance	28m 40s
acceptance (ruby 3.2 \| windows-2019) / acceptance	7m 21s
	1h 2m 47s

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