(maint) Update `TEMPLATE_REF` for testing purposes #699

Job	Run time
spec (ruby 3.2) / spec	48s
spec (ruby 2.7) / spec	50s
acceptance (ruby 2.7 \| ubuntu-latest) / acceptance	12m 45s
acceptance (ruby 2.7 \| windows-2019) / acceptance	29m 12s
acceptance (ruby 3.2 \| windows-2019) / acceptance	7m 24s
acceptance (ruby 3.2 \| ubuntu-latest) / acceptance	12m 20s
	1h 3m 19s

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