fix TS type of Tooltip.label prop

[thomasheyenbrock]

The tooltip can accept any React Node as prop, no need to limit it to only string.

[changeset-bot]

🦋 Changeset detected

Latest commit: 1168b89

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
@graphiql/react	Patch
@graphiql/plugin-code-exporter	Patch
@graphiql/plugin-explorer	Patch
graphiql	Patch

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[github-actions]

The latest changes of this PR are available as canary in npm (based on the declared changesets):

graphiql@3.2.2-canary-dccd76b3.0
@graphiql/plugin-code-exporter@3.0.1-canary-dccd76b3.0
@graphiql/plugin-explorer@3.0.1-canary-dccd76b3.0
@graphiql/react@0.22.1-canary-dccd76b3.0

[acao]

thanks @thomasheyenbrock !