Automatic update from web-platform-tests
Upstream fuzzy annotations from WebKit changes in `css/css-backgrounds` (#60512)
The following webkit revisions updated fuzzy annotations in css/css-backgrounds, so upstream them:
304621@main
306349@main
305533@main
60af735 clobbered fuzziness in css/css-backgrounds/border-image-repeat-round.html so restore that.
--
wpt-commits: 26dddb73aa42c4eeab2d41c4039afb9f9d65ba46
wpt-pr: 60512