[fiddle] Fix alert link
[fiddle] Fix alert link

Change-Id: Icaf1273420a4c748abc2f3c2c21089687bd504c3
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/424056
Reviewed-by: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot