fix: upgrade graphql-tag from 2.12.0 to 2.12.1 (#705)

Snyk has created this PR to upgrade graphql-tag from 2.12.0 to 2.12.1.

See this package in npm:
https://www.npmjs.com/package/graphql-tag

See this project in Snyk:
https://app.snyk.io/org/surajpuvvada/project/553e7174-0e22-4c7f-aa2c-12ae5f5768b5?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot