feat: add NetRC support to the provider installer

[aaklilu]

An interim solution to lack of credential while downloading provider archives.

Fixes #29349

Target Release

1.10.x

Draft CHANGELOG entry

ENHANCEMENTS

• Provider installation now support NetRC and utilises the credentials configured in .netrc file. Similar to module downloads.

[crw]

Thanks for this submission!

[crw]

Hi @aaklilu, we discussed this in triage today. Generally speaking there is agreement that this is probably the correct approach. The main blocker to doing a full review is maintainer availability. My best guess is that we'll check back in on this PR mid-November to consider a review. I just wanted to set expectations up-front as to timelines. Thanks again for this submission.

[aaklilu]

Hi @aaklilu, we discussed this in triage today. Generally speaking there is agreement that this is probably the correct approach. The main blocker to doing a full review is maintainer availability. My best guess is that we'll check back in on this PR mid-November to consider a review. I just wanted to set expectations up-front as to timelines. Thanks again for this submission.

Thank you @crw for the update.