Fix formatting in Chart table README.md

[wintersolutions]

Minimal formatting fix.

The autoscaling.deregisterLifecycle Parameter wasn't properly enclosed with backticks.

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Motivation and Context

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

• I have read the contributing document.
• 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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[diemol]

Thank you, @wintersolutions!