chore: downgrade spark version

[Cian911]

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Purpose of this PR

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Proposed changes:

• <Change 1>
• <Change 2>
• <Change 3>

Change Category

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• Bugfix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that could affect existing functionality)
• Documentation update

Rationale

Checklist

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• I have conducted a self-review of my own code.
• I have updated documentation accordingly.
• I have added tests that prove my changes are effective or that my feature works.
• Existing unit tests pass locally with my changes.

Additional Notes