[DOC]Change the docs around max_clause_count

[harshavamsi]

What do you want to do?

• Request a change to existing documentation
• Add new documentation
• Report a technical problem with the documentation
• Other

Tell us about your request. Provide a summary of the request and all versions that are affected.
We're making a change to max_clause_count from being a static setting to be dynamically update-able. We would need to update the documentation to reflect this change.

What other resources are available? Provide links to related issues, POCs, steps for testing, etc.
opensearch-project/OpenSearch#13568