Update Node.js to v12.8.1 (#2388)
Update Node.js to v12.8.1 (#2388)



Co-authored-by: Renovate Bot <c71e7261d37a4f6ae4cfb0cbd79081310a237e67@renovateapp.com>
dotansimha/graphql-code-generator,dotansimha/graphql-code-generator,dotansimha/graphql-code-generator