Make all errors on an unsupported platform `ConfigurationError`s #5245

Job	Run time
Ruby analysis (macos-latest, linked)	2m 4s
Ruby analysis (macos-latest, default)	1m 24s
Ruby analysis (macos-latest, nightly-latest)	1m 14s
Ruby analysis (ubuntu-latest, default)	1m 7s
Ruby analysis (ubuntu-latest, linked)	1m 11s
Ruby analysis (ubuntu-latest, nightly-latest)	1m 10s
	8m 10s

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