[foreman] [foreman_proxy] Add ALL_PROXY and NO_PROXY to collected env_vars

[pafernanr]

Add ALL_PROXY and NO_PROXY to collected env_vars

Resolves: #3788

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[packit-as-a-service[bot]]

Congratulations! One of the builds has completed. :champagne:

You can install the built RPMs by following these steps:

• sudo yum install -y dnf-plugins-core on RHEL 8
• sudo dnf install -y dnf-plugins-core on Fedora
• dnf copr enable packit/sosreport-sos-3795
• And now you can install the packages.

Please note that the RPMs should be used only in a testing environment.

[pafernanr]

:-/ thanks for your patience @jcastill . I think the PR is fine now