(chore) - Upgrade to graphql@16 and extend peer dependency range

[kitten]

Resolves #2130

Summary

This is fairly quick for us, since we only have to extend the peer dependency range and fix up irrelevant typings issues.

Set of changes

• Upgrade devDependencies for graphql
• Extend peerDependencies range for graphql
• Fix minor typings issue related to ObjMap<unknown>

[changeset-bot]

🦋 Changeset detected

Latest commit: 1c97283

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

This PR includes changesets to release 17 packages

Name	Type
@urql/exchange-auth	Patch
@urql/exchange-execute	Patch
@urql/exchange-graphcache	Patch
@urql/exchange-multipart-fetch	Patch
@urql/exchange-persisted-fetch	Patch
@urql/exchange-populate	Patch
@urql/exchange-refocus	Patch
@urql/exchange-request-policy	Patch
@urql/exchange-retry	Patch
@urql/core	Patch
@urql/introspection	Patch
next-urql	Patch
@urql/preact	Patch
urql	Patch
@urql/storybook-addon	Patch
@urql/svelte	Patch
@urql/vue	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR