[CPDEV-98931] Avoid interactive constants (exit) from site module

[ilia1243]

Description

• kubemarine migrate_kubemarine fails with NameError: name 'exit' is not defined if run as executable file.

Fixes #612

Solution

• Avoid using of interactive constants from site module. https://docs.python.org/3/library/constants.html#constants-added-by-the-site-module

Test Cases

TestCase 1

Steps:

1. Run kubemarine migrate_kubemarine --list using Kubemarine v0.27.0 executable.

Results:

Before	After
NameError: name 'exit' is not defined	Prints "No patches available."

Checklist

• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Integration CI passed
• Unit tests. If Yes list of new/changed tests with brief description
• There is no merge conflicts