Enable pdk `nightly` workflow restarts #535

Job	Run time
spec (ruby 3.2) / spec	47s
spec (ruby 2.7) / spec	49s
acceptance (ruby 2.7 \| windows-2019) / acceptance	32m 38s
acceptance (ruby 2.7 \| ubuntu-latest) / acceptance	13m 19s
acceptance (ruby 3.2 \| ubuntu-latest) / acceptance	11m 25s
acceptance (ruby 3.2 \| windows-2019) / acceptance	34m 48s
	1h 33m 46s

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