fix(ast-spec): narrow ArrowFunctionExpression.generator to false#11636

bradzacher merged 1 commit intotypescript-eslint:maintypescript-eslint/typescript-eslint:mainfrom

JoshuaKGoldberg:ast-arrow-function-expression-generator-falseJoshuaKGoldberg/typescript-eslint:ast-arrow-function-expression-generator-falseCopy head branch name to clipboard