Authorization support required in ext_pillar http_json modules.

[zhujinhe]

salt['http.query'] function support lots of parameters via utils/http.py.
However, only 'url' parameter supported in salt/salt/pillar/http_json.py now.
Could we add support for other parameters such as header_dict so that we can do some authorization stuff by:

  ext_pillar:
    - http_json:
        url: http://example.com/api/minion_id
        header_dict: {foo: bar}
        key_foo: value_bar

[Ch3LL]

@zhujinhe sounds like a good idea. will approve as a feature request. thanks

[stale]

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[MKLeb]

Reopening for #61213