feat(transform_conformance): skip plugins we don't support yet #8446

Job	Run time
Check and Build (windows-latest)	1m 19s
Cargo Deny	5s
Format	14s
Check and Build (ubuntu-latest)	28s
Check and Build (macos-14)	36s
Clippy	48s
Spell Check	5s
Check Unused Dependencies	17s
Check Wasm	1m 1s
Conformance	1m 23s
Doc	38s
Test (windows-latest)	54s
Test (ubuntu-latest)	52s
Test (macos-14)	1m 1s
	9m 41s

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