[PUP-9316] implement no_proxy in puppet.conf - Puppet Tickets

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Acceptance Criteria:

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Implement the no_proxy setting in puppet.conf.

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Implement the no_proxy setting in puppet.conf.
Epic Link:
Agent HTTP
Team:
Coremunity
Sprint:
Platform Core KANBAN

Release Notes:
Enhancement
Release Notes Summary:
Allows `no_proxy` to be specified as a puppet setting which is consistent with other http_proxy_* puppet settings. The NO_PROXY environment variable takes precedence over the no_proxy puppet setting.

Puppet implements the following settings in puppet.conf:

 http_proxy_host

 http_proxy_password

 http_proxy_port

 http_proxy_user

Puppet also reads those same settings from ENV.
But it only reads the associated no_proxy setting from ENV.

This requires configuring puppet proxy settings in two disparate locations.

relates to

PUP-2172 Don't use an http proxy when connecting to localhost