Updated the Broken Dependencies for the BigQuery Handler

[MinuraPunchihewa]

Description

The BigQuery handler is not usable at the moment, due to a missing dependency as shown below,

This PR adds the missing dependency in a robust manner as mentioned here.

Type of change

• 🐛 Bug fix (non-breaking change which fixes an issue)

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 - N/A
• Relevant unit and integration tests are updated or added - N/A