fix: update dependencies for security and performance improvements

[Gokula-6sg]

Description

This PR updates outdated dependencies to their latest stable versions for improved security and performance. The changes include updating Docusaurus packages, React, and other key dependencies while ensuring the site builds and runs correctly after updates.

Related Issues

Fixes #267

Mobile & Desktop Screenshots/Recordings

N/A - This is a dependency update that doesn't include visual changes. The site appearance remains unchanged after updates.

Steps to QA

1. Check out this branch and run npm install to install updated dependencies
2. Run npm run build to verify the site builds successfully
3. Run npm start to test the development server at http://localhost:3000/
4. Verify all pages load correctly and navigation works
5. Check that code syntax highlighting functions properly
6. Confirm no console errors in browser developer tools
7. Ensure all existing functionality remains intact

[optional] What GIF best describes this PR or how it makes you feel?

🎯 - Successfully hitting the target by updating dependencies and improving security!

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PR Compliance Checks

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Watched Files

This pull request modifies specific files that require careful review by the maintainers.

Files Matched

• package-lock.json
• package.json

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[adiati98]

Thanks so much for the PR, @Gokula-6sg! 🚀

Please be informed that we're adding the hacktoberfest-accepted label to this PR so it's counted towards Hacktoberfest. But we might merge this after we merge some other PRs.

[Gokula-6sg]

Thank you so much for merging this! 🎉@adiati98 , Glad to contribute and learned a lot from this PR 🙌