Type of Change

• Hotfix

Description

• Changed from apt to apt-get.
• Added apt-get update prior to package installation, in accordance with the documentation at GitHub Docs.
• Use xargs to run checks a faster by parallel processing.

Testing

• Tested on my repo works fine.

Checklist

• My code adheres to the coding and style guidelines of the project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• My changes generate no errors/warnings/merge conflicts.