feat: add TestLessThanOrEqual hint

[zmalatrax]

Estimated time: 0.5d Lifespan: 1d

• Implement the TestLessThanOrEqual hint.
• Add unit tests, testing the parsing and the logic of the hint.
• Add a Cairo program using the hint, used as an integration test .

How-to implement a hint on the Cairo VM TS available here

Rust implementation reference

[LazarusAA]

I am applying to this issue via OnlyDust platform.

My background and how it can be leveraged

Hi, team I'm a software engineer with experience in Solidity and Typescript, I want to contribute and complete the issue to further expand my abilities and familiarize with Cairo.

How I plan on tackling this issue

First, I will take an overview look at the repository and understand how implementing a hint works. Then I will follow the steps given in the issue and make sure my deliverable passes all acceptance criteria.

[zmalatrax]

Sure, assigned

[Rana718]

I would like to take this up!