bugfix: adding alter table query to set table dimension for index cre…

[fshabashev]

…ation

Description

Please include a summary of the change and the issue it solves.

Fixes #issue_number

Type of change

(Please delete options that are not relevant)

• [ ] 🐛 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 not to work as expected)
• [ ] 📄 This change requires a documentation update

Verification Process

To ensure the changes are working as expected:

• [ ] Test Location: Specify the URL or path for testing.
• [ ] Verification Steps: Outline the steps or queries needed to validate the change. Include any data, configurations, or actions required to reproduce or see the new functionality.

Additional Media:

• [ ] I have attached a brief loom video or screenshots showcasing the new functionality or change.

Checklist:

• [ ] My code follows the style guidelines(PEP 8) of MindsDB.
• [ ] I have appropriately commented on my code, especially in complex areas.
• [ ] Necessary documentation updates are either made or tracked in issues.
• [ ] Relevant unit and integration tests are updated or added.