Ah, the history is public.
April 23, 2025: A blurry version of the original
May 29, 2025: commit message "Updates" that only deletes the image (still referenced from markdown)
May 29, 2025: "Cleaned up image" adds the slop image
Feb 16, 2026: "Replacement of Git Flow Image" (bland, with semver violation and without annotations)
https://github.com/MicrosoftDocs/learn/commits/main/learn-pr/github/introduction-to-github/media/2-git-flow-image.png