[alerts] Fix location of yaml files in k8s-config repo
[alerts] Fix location of yaml files in k8s-config repo

Change-Id: I8055277cb10a516dd67d573acef840474929306e
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/350060
Commit-Queue: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>
Reviewed-by: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@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