verify: Handle version strings with special characters

[ono-max]

The verify command is failing when special characters is included in version strings, e.g. such as "3.13.0+". This PR addresses it.

smart-tests verify 
Organization: 'launchableinc'
Workspace: 'test-for-percona-psmdb'
Proxy: None
Platform: 'macOS-15.7.3-arm64-arm-64bit-Mach-O'
Python version: '3.13.3+'
Java command: 'java'
smart-tests version: '2.3.0'
Traceback (most recent call last):
  File "/Users/ono-max/.pyenv/versions/3.13-dev/bin/smart-tests", line 8, in <module>
    sys.exit(main())
             ~~~~^^
  File "/Users/ono-max/.pyenv/versions/3.13-dev/lib/python3.13/site-packages/smart_tests/__main__.py", line 56, in main
    cli.main()
    ~~~~~~~~^^
  File "/Users/ono-max/.pyenv/versions/3.13-dev/lib/python3.13/site-packages/smart_tests/args4p/command.py", line 129, in main
    self(*args)
    ~~~~^^^^^^^
  File "/Users/ono-max/.pyenv/versions/3.13-dev/lib/python3.13/site-packages/smart_tests/args4p/command.py", line 109, in __call__
    r = invoker.invoke()
  File "/Users/ono-max/.pyenv/versions/3.13-dev/lib/python3.13/site-packages/smart_tests/args4p/command.py", line 664, in invoke
    return self.command.callback(self.parent.invoke(), **self.kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/ono-max/.pyenv/versions/3.13-dev/lib/python3.13/site-packages/smart_tests/commands/verify.py", line 125, in verify
    if compare_version([int(x) for x in platform.python_version().split('.')], [3, 6]) < 0:
                        ~~~^^^
ValueError: invalid literal for int() with base 10: '3+'