fix(type-utils): add union type support to TypeOrValueSpecifier#11526

JoshuaKGoldberg merged 4 commits intotypescript-eslint:maintypescript-eslint/typescript-eslint:mainfrom

y-hsgw:fix/type-or-value-specifiery-hsgw/typescript-eslint:fix/type-or-value-specifierCopy head branch name to clipboard