Add rule for insecure cookie

[ericwb]

Is your feature request related to a problem? Please describe.
A cookie can be insecure if secure attribute not set to True

Describe the solution you'd like

from http.cookies import SimpleCookie

cookie = SimpleCookie()
cookie['sample'] = "sample_value"
cookie['sample']['secure'] = 0  # This should be True

Describe alternatives you've considered
n/a

Additional context

• https://docs.python.org/3/library/http.cookies.html#module-http.cookies
• https://cwe.mitre.org/data/definitions/614.html

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