fix(deps): update dependency graphql-tag to v2.10.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
graphql-tag	dependencies	patch	2.10.2 -> 2.10.3

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Release Notes

apollographql/graphql-tag

### [`v2.10.3`](https://togithub.com/apollographql/graphql-tag/blob/master/CHANGELOG.md#v2103-2020-02-05) [Compare Source](https://togithub.com/apollographql/graphql-tag/compare/v2.10.2...6d001fb7bd4cf5aacb2747d67320d73317b7f1c2) - Further adjustments to the TS `index.d.ts` declaration file.
[@​Guillaumez](https://togithub.com/Guillaumez) in [#​289](https://togithub.com/apollographql/graphql-tag/pull/289)

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