(MAINT) Disable spec suffix cop #375

Job	Run time
spec (ubuntu-latest ruby 2.7 \| puppet ~> 7.0) / spec	49s
spec (windows-latest ruby 2.7 \| puppet ~> 7.0) / spec	5m 36s
spec (ubuntu-latest ruby 3.2 \| puppet https://github.com/puppetlabs/puppet) / spec	31s
spec (windows-latest ruby 3.2 \| puppet https://github.com/puppetlabs/puppet) / spec	5m 8s
acceptance (3.2, ubuntu-latest) / acceptance	23s
acceptance (3.2, windows-latest) / acceptance	2m 58s
acceptance (2.7, ubuntu-latest) / acceptance	35s
acceptance (2.7, windows-latest) / acceptance	4m 48s
	20m 48s

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