feat(query): support alter table comment

[TCeason]

I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/

Summary

Support change table comment

alter table T comment='just demo';

Note:

This pr add a new plan ModifyTableCommentPlan, and in privilege access, user that at least has table's alter privilege can execute alter table commnt.

• Fixes Feature: alter table need support modify table comment  #15226

Tests

• Unit Test
• Logic Test

Type of change

• New Feature (non-breaking change which adds functionality)

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This change is 

[TCeason]

cc wait @andylokandy review