Enhance Cloudinary CLI for Security and Optimization

[simran-sankhala]

Brief Summary of Changes

Addressed the potential security risk by implementing thorough input validation and sanitization for user-provided arguments and options. This helps mitigate the risk of code injection and ensures that unexpected behavior does not occur due to malicious input. Specifically, the code now validates and sanitizes user input before processing.

What does this PR address?

• [x] GitHub issue (#77 )
• [ ] Refactoring
• [ ] New feature
• [x] Bug fix
• [ ] Adds more tests

Are tests included?

• [ ] Yes
• [x] No