Support ACR & GCR specific Image and tag searching functionality

[IsaacCalligeros95]

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Prerequisites

• [x] I have searched open and closed issues to make sure it isn't already requested
• [ ] I have discussed this in #feature-discussion or #backlog and the consensus is that this is something we plan on adding in the near future
• [x] I have written a descriptive issue title
• [x] I have linked the original source of this feature request
• [x] I have labelled the value stream (area/core, area/steps, ...)
• [x] I have added the kind/enhancement label

The enhancement

What is the problem this solves or benefit it gives

ACR and GCR feeds don't currently support specific image and tag searching. See slack thread linked for further details

Proposed solution

Implement specific tag and image searching for both ACR and GCR. As an example ACR exposes tags

Links

🔐 Slack thread Initial separation of ACR & GCR as separate feed types Related AUTH enhancements for ACR

[ghost]

It would be nice if we can support authentication methods other than username+password for each of these feeds. For example the user should be able to select a pre-configured Azure account to authenticate with ACR.

[IsaacCalligeros95]

It would be nice if we can support authentication methods other than username+password for each of these feeds. For example the user should be able to select a pre-configured Azure account to authenticate with ACR.

There's a similar Issue related to token AUTH for this.