[Cherry-pick][3.3] RHAIENG-3575 - Llama Stack and RAG Upgrade Testing.

[jiripetrlik]

Manually created cherry-pick for #1195.

[github-actions]

The following are automatically added/executed:

• PR size label.
• Run pre-commit
• Run tox
• Add PR author as the PR assignee
• Build image based on the PR

Available user actions:

• To mark a PR as WIP, add /wip in a comment. To remove it from the PR comment /wip cancel to the PR.
• To block merging of a PR, add /hold in a comment. To un-block merging of PR comment /hold cancel.
• To mark a PR as approved, add /lgtm in a comment. To remove, add /lgtm cancel.
  lgtm label removed on each new commit push.
• To mark PR as verified comment /verified to the PR, to un-verify comment /verified cancel to the PR.
  verified label removed on each new commit push.
• To Cherry-pick a merged PR /cherry-pick <target_branch_name> to the PR. If <target_branch_name> is valid,
  and the current PR is merged, a cherry-picked PR would be created and linked to the current PR.
• To build and push image to quay, add /build-push-pr-image in a comment. This would create an image with tag
  pr-<pr_number> to quay repository. This image tag, however would be deleted on PR merge or close action.

Supported labels

{'/build-push-pr-image', '/hold', '/lgtm', '/verified', '/wip', '/cherry-pick'}

[github-actions]

Status of building tag 3.3: success.
Status of pushing tag 3.3 to image registry: success.