CGIHTTPRequestHandler not intended for production

[ericwb]

Is your feature request related to a problem? Please describe.
CGIHTTPRequestHandler and the --cgi command line option are not intended for use by untrusted clients and may be vulnerable to exploitation. Always use within a secure environment.

Describe the solution you'd like
New rule ot detect this.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
https://docs.python.org/3/library/http.server.html

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