fix(OneOf): fail coercion when two fields are provided "pre-coercion-only"#4716

yaacovCR merged 1 commit intographql:17.x.xgraphql/graphql-js:17.x.xfrom

yaacovCR:pre-coercion-one-of-erroryaacovCR/graphql-js:pre-coercion-one-of-errorCopy head branch name to clipboard