fix: Decrease Docker container size by 20%

[gs-olive]

Description

• Decrease Docker container size by cleaning up build cache/unnecessary files after building, uncompressed reduction of ~6GB

Type of change

• Docker improvement

Checklist:

• [ x ] My code follows the style guidelines of this project (You can use the linters)
• [ x ] I have performed a self-review of my own code
• [ x ] I have commented my code, particularly in hard-to-understand areas and hacks
• [ x ] I have made corresponding changes to the documentation
• [ - ] I have added tests to verify my fix or my feature
  • CI Container
• [ x ] New and existing unit tests pass locally with my changes
• [ x ] I have added the relevant labels to my PR in so that relevant reviewers are notified

[github-actions]

Code conforms to Python style guidelines

[github-actions]

Code conforms to C++ style guidelines

[narendasan]

LGTM

[github-actions]

Code conforms to C++ style guidelines

[github-actions]

Code conforms to Python style guidelines