Update dependencies for migration files

[lcduong]

As customer feature will be removed from eventyay-tickets, to exhibitor migration should depend on other migration file.

Summary by Sourcery

Enhancements:

• Update migration dependencies for exhibitor migrations to depend on 'pretixbase' initial migration instead of customer table creation.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request updates the dependencies in migration files for the exhibitors app. The changes are made to align with the removal of the customer feature from eventyay-tickets.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Update migration dependencies to remove reference to customer table	Change dependency from 'pretixbase.0004_create_customer_table' to 'pretixbase.0001_initial' Update dependency in both initial and subsequent migration files	exhibitors/migrations/0001_initial.py exhibitors/migrations/0002_alter_exhibitorinfo_lead_scanning_enabled_and_more.py

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[sourcery-ai]

Hey @lcduong - I've reviewed your changes - here's some feedback:

Overall Comments:

• Please provide more context about this change. How does it relate to the removal of the customer feature, and are there any steps required for existing installations?
• Have these migration changes been tested on both new and existing databases to ensure they don't cause any issues during the migration process?
• Consider adding comments in the migration files to explain the reason for this dependency change and any potential impacts it may have.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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