Fail to create kubeval-validator image.

[patilsuraj767]

Describe the bug
Creating kubeval-validator image from Dockerfile fails while building airshipctl using 10_build_gate.sh.

Steps To Reproduce
Run ./tools/gate/10_build_gate.sh

Below errors are observed -

 "\u001b[91m  error: subprocess-exited-with-error",
    "  ",
    "  × python setup.py egg_info did not run successfully.",
    "  │ exit code: 1",
    "  ╰─> [3 lines of output]",
    "      sys.argv ['/tmp/pip-install-69ub2krz/ruamel-yaml-clib_ed9d9aa8a2924c0ea6a9bce9d95fc4bd/setup.py', 'egg_info', '--egg-base', '/tmp/pip-pip-egg-info-8ym3eg4n']",
    "      test compiling /tmp/tmp_ruamel_qbw8a5h3/test_ruamel_yaml.c -> test_ruamel_yaml compile error: /tmp/tmp_ruamel_qbw8a5h3/test_ruamel_yaml.c",
    "      Exception: command 'gcc' failed: No such file or directory",
    "      [end of output]",

_ruamel_yaml.c:6:10: fatal error: Python.h: No such file or directory",
    "          6 | #include \"Python.h\"",
    "            |          ^~~~~~~~~~",
    "      compilation terminated.",
    "      error: command '/usr/bin/gcc' failed with exit code 1",

[patilsuraj767]

Please assign this issue to me.

[patilsuraj767]

Proposed solution:
Airshipctl PS: https://review.opendev.org/c/airship/airshipctl/+/827417