and also update union-value from 1.0.0 to 1.0.1

to fix the valunerability named as CVE-2019-10747

- https://www.npmjs.com/advisories/1012
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10747Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>