feat(query): alter user support modify current password

[TCeason]

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Summary

alter user support modify current password

Note:

• If alter with auth_option, it should check privilege.
• in bendsql alter current user's password will return err, because bendsql will call auth in poll, after password modified, in next poll the auth failed, it will return err. But it is not databend-query bug.

# testuser1@localhost:8000/default> alter user 'testuser1' identified by '123';
# error: APIError: RequestError: Query Page failed with status 401 Unauthorized: {"error":{"code":"401","message":"wrong password"}}

• Fixes Feature: user can moidfy own password with out option. #15961

Tests

• Unit Test
• Logic Test
• Benchmark Test
• No Test - Explain why

Type of change

• Bug Fix (non-breaking change which fixes an issue)
• New Feature (non-breaking change which adds functionality)
• Breaking Change (fix or feature that could cause existing functionality not to work as expected)
• Documentation Update
• Refactoring
• Performance Improvement
• Other (please describe):

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This change is