Allow `pdk convert` and `pdk update` to work in a ControlRepo context #424

Job	Run time
spec (ruby 2.7) / spec	55s
spec (ruby 3.2) / spec	42s
acceptance (ruby 2.7 \| ubuntu-latest) / acceptance	13m 0s
acceptance (ruby 3.2 \| ubuntu-latest) / acceptance	12m 37s
acceptance (ruby 3.2 \| windows-2019) / acceptance	36m 33s
acceptance (ruby 2.7 \| windows-2019) / acceptance	30m 17s
	1h 34m 4s

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