Update sitemaps.yml for IndexNow URLs

[glenn-jocher]

copilot:all

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Enhanced SEO by integrating IndexNow submission into GitHub workflow.

📊 Key Changes

• Retained existing Checkout, Python setup, and dependency installation steps.
• Preserved the functionality of submitting sitemaps to Google.
• Added new steps to submit URLs to the IndexNow API after sitemap submission.
• Implemented URL extraction from sitemap and batch submission to IndexNow.
• Handled exceptions and HTTP responses to ensure successful submission.

🎯 Purpose & Impact

• The purpose is to expedite content indexing on search engines using IndexNow, alongside existing Google sitemap submissions.
• Potential impact includes faster search engine updates with new or modified content leading to improved SEO and user visibility. 🚀🔍