feat(transform_conformance): skip plugins we don't support yet #8455

Job	Run time
Clippy	45s
Cargo Deny	6s
Check and Build (windows-latest)	1m 26s
Spell Check	4s
Check Unused Dependencies	27s
Check and Build (ubuntu-latest)	32s
Check Wasm	1m 14s
Check and Build (macos-14)	35s
Conformance	2m 12s
Doc	35s
Format	13s
Test (windows-latest)	1m 50s
Test (ubuntu-latest)	53s
Test (macos-14)	53s
	11m 45s

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