fix: Include CGridItem in type definitions

[t-buss]

Description

We notices that the type definitions do not include CGridItem, which leads to false error messages in the IDE although everything works when run.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

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🦋 Changeset detected

Latest commit: b783840

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

This PR includes changesets to release 1 package

Name	Type
@chakra-ui/vue	Patch

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[codebender828]

Thank you @t-buss This is great!