Fixed 2 typos

[mrFlamel]

🚀 Description

Fixed 2 typos in CONTRIBUTING.md and VERSIONS.md

📄 Motivation and Context

Improves readability of files.

🧪 How Has This Been Tested?

With dictionary :)

📦 Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

✅ Checklist

• My code follows the code style of this project(Do your best to follow code styles. If none apply just skip this).
• My change requires a change to the documentation.
• I have updated the documentation accordingly.