Supported Pytorch added for Maxwell.

[kavyamali]

Description

Simplified my previous PR and added cu126 Pytorch installation for Maxwell GPUs dynamically as cu128 is unsupported. No other code is touched.

--no-cache-dir is used for my variable to bypass memory restrictions.

Screenshots/videos:

Checklist:

• [x] I have read contributing wiki page
• [x] I have performed a self-review of my own code
• [x] My code follows the style guidelines
• [x] My code passes tests