Update README.md

[Kelementz916]

fixed Robert Sinzieri's name in contributors

🔗 Linked issue

Description

Checklist

• [ ] I've followed the Contributing guidelines
• [ ] I've titled my PR according to the Conventional Commits spec
• [ ] I've linked an open issue
• [ ] I've added tests that fail without this PR but pass with it
• [ ] I've linted and tested my code
• [ ] I've updated documentation (if appropriate)