Update dependency graphiql to v1

Created by: renovate[bot]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
graphiql	dependencies	major	^1.0.3	source

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Release Notes

graphql/graphiql

v1.0.3

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v1.0.2

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v1.0.1

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v1.0.0

Compare Source

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