Javascript and Ruby project-hashmap fix: replace wrong examples with correct ones in collision section

[Punith1117]

Because

The previous examples - 'Carla' and 'Carlos' were not hashed to 3. So, they are replaced with correct examples - 'Ram' and 'Sita'.

This PR

• Replaces the examples with correct ones
• Carla and Carlos is replaced by Rama and Sita

Issue

Closes #29210

Pull Request Requirements

• I have thoroughly read and understand The Odin Project curriculum contributing guide
• The title of this PR follows the location of change: brief description of change format, e.g. Intro to HTML and CSS lesson: Fix link text
• The Because section summarizes the reason for this PR
• The This PR section has a bullet point list describing the changes in this PR
• If this PR addresses an open issue, it is linked in the Issue section
• If any lesson files are included in this PR, they have been previewed with the Markdown preview tool to ensure it is formatted correctly
• If any lesson files are included in this PR, they follow the Layout Style Guide

[JoshDevHub]

🚀