[3.12] gh-130160: use option instead of cmdoption in dis.rst (GH-130255)

[sobolevn]

(cherry picked from commit 97d0011)

• Issue: Use .. program:: and .. option:: directives for modules with a documented CLI #130160

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📚 Documentation preview 📚: https://cpython-previews--130265.org.readthedocs.build/

[sobolevn]

Looks good: https://cpython-previews--130265.org.readthedocs.build/en/130265/library/dis.html#cmdoption-dis-h