Fix link URL for privateNetworking

[mgalgs]

Description

This section has moved in the docs. Update the URL in the docstring accordingly.

Checklist

• NA - Added tests that cover your change (if possible)
• Added/modified documentation as required (such as the README.md, or the userdocs directory)
• Manually tested
• Made sure the title of the PR is a good description that can go into the release notes
• (Core team) Added labels for change area (e.g. area/nodegroup) and kind (e.g. kind/improvement)

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Note that some dependencies in my go.{mod,sum} changed, therefore also bumping all the "generated by mockery" lines throughout the package. I'm guessing you don't want any of those changes.

[naclonts]

Thanks for the fix @mgalgs!