move variable position validation for OneOf to `VariablesInAllowedPos… #1746

Job	Run time
ci / Check for commonly ignored files	5s
ci / Build 'denoDist' artifact	21s
ci / Build 'npmDist' artifact	38s
ci / Build website	1m 4s
ci / Check health of package-lock.json file	23s
ci / Run CodeQL security scan	1m 52s
ci / Run fuzzing tests	39s
ci / Run integration tests	1m 31s
ci / Lint source files	1m 2s
ci / Run tests on Node v16	31s
ci / Run tests on Node v18	33s
ci / Run tests on Node v19	43s
Deploy to `npm` branch	0s
Deploy to `deno` branch	0s
	9m 22s

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