Add APIsec scan workflow for API security testing

[mrakbormolla1357-lang]

This workflow integrates APIsec for automated API security scanning, triggered on pushes to the main branch and scheduled runs.

Summary

Checklist

• Delete items not relevant to your PR
• URL changes should add a redirect to the old URL via https://github.com/ClickHouse/clickhouse-docs/blob/main/docusaurus.config.js
• If adding a new integration page, also add an entry to the integrations list here: https://github.com/ClickHouse/clickhouse-docs/blob/main/docs/integrations/index.mdx

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