CI: update github action versions

[jxdv]

Bump:

• Checkout action to v4
• Setup python action to v5
• Codeql analyze action to v2 (v1 was deprecated early 2023)
• Download artifact action to v4
• Upload artifact action to v4

Thank you for submitting a Pull Request to the OWASP MASTG. Please make sure that:

• Your contribution is written in the 2nd person (e.g. you)
• Your contribution is written in an active present form for as much as possible.
• You have made sure that the reference section is up to date (e.g. please add sources you have used, make sure that the references to MITRE/MASVS/etc. are up to date)
• Your contribution has proper formatted markdown and/or code
• Any references to website have been formatted as [TEXT](URL “NAME”)
• You verified/tested the effectiveness of your contribution (e.g.: is the code really an effective remediation? Please verify it works!)

[cpholguera]

@philyoosays would you mind reviewing please?

[cpholguera]

Thank you @jxdv!