fix(deps): update react monorepo to v18 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
react (source)	^17.0.2 -> ^18.0.0
react (source)	^16.14.0 || 17 -> 18
react-dom (source)	^17.0.2 -> ^18.0.0

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[changeset-bot]

🦋 Changeset detected

Latest commit: 8a36589

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

This PR includes changesets to release 53 packages

Name	Type
@keystone-ui/button	Major
@keystone-ui/core	Major
@keystone-ui/fields	Major
@keystone-ui/icons	Major
@keystone-ui/loading	Major
@keystone-ui/modals	Major
@keystone-ui/notice	Major
@keystone-ui/options	Major
@keystone-ui/pill	Major
@keystone-ui/popover	Major
@keystone-ui/segmented-control	Major
@keystone-ui/toast	Major
@keystone-ui/tooltip	Major
@keystone-ui/website	Major
@keystone-6/auth	Major
@keystone-6/cloudinary	Major
@keystone-6/core	Major
@keystone-6/document-renderer	Minor
@keystone-6/fields-document	Major
@keystone-6/website	Patch
@keystone-6/example-auth	Patch
@keystone-6/examples-app-basic	Patch
@keystone-6/example-ecommerce	Patch
@keystone-6/example-embedded-nextjs	Patch
@keystone-6/example-roles	Patch
@keystone-6/example-custom-admin-ui-logo	Patch
@keystone-6/example-custom-admin-ui-navigation	Patch
@keystone-6/example-custom-admin-ui-pages	Patch
@keystone-6/example-custom-field	Patch
@keystone-6/example-custom-field-view	Patch
@keystone-6/example-document-field	Patch
@keystone-6/admin-ui-tests	Patch
@keystone-6/example-graphql-api-endpoint	Patch
@keystone-6/example-sandbox	Patch
@keystone-6/example-testing	Patch
@keystone-6/example-with-auth	Patch
@keystone-6/example-assets-cloud	Patch
@keystone-6/example-assets-local	Patch
@keystone-6/example-blog	Patch
@keystone-6/example-default-values	Patch
@keystone-6/example-extend-graphql-schema-graphql-ts	Patch
@keystone-6/example-extend-graphql-schema-nexus	Patch
@keystone-6/example-extend-graphql-schema	Patch
@keystone-6/example-json-field	Patch
@keystone-6/example-rest-api	Patch
@keystone-6/example-task-manager	Patch
@keystone-6/example-virtual-field	Patch
@keystone-6/session-store-redis	Major
@keystone-6/benchmarks-legacy	Patch
@keystone-6/test-projects-basic	Patch
@keystone-6/test-projects-crud-notifications	Patch
@keystone-6/test-projects-live-reloading	Patch
@keystone-6/generate-artifacts-for-projects	Patch

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