Fix Hindi translation for Security Best Practices guide

[ssagar1999]

• Have you followed the contributing guidelines?
• Have you explained what your changes do, and why they add value to the Guides?

What this PR does

• Fixes remaining English text in the Hindi version of Security Best Practices for your Project
• Updates the correct source Markdown file (_articles/hi/security-best-practices-for-your-project.md)
• Ensures the Hindi page is fully localized and consistent for Hindi readers

Why this adds value

• Improves accessibility for Hindi-speaking contributors and readers
• Removes mixed-language content, improving clarity and trust
• Follows Jekyll best practices by avoiding generated _site files

Notes

• No dependency or infrastructure changes
• Gemfile.lock intentionally untouched

@jmeridth

[jmeridth]

@ssagar1999 thank you for your contribution. Looks like we need a newline at the end of the file to pass CI.