chore(deps): update valkey/valkey:9.1.0 docker digest to 8e8d64b

Author: renovate[bot]

kubernetes/apps/tools/outline/app/helmrelease.yaml

@@ -62,7 +62,7 @@ spec:
           app:
             image:
               repository: valkey/valkey
-              tag: 9.1.0@sha256:4963247afc4cd33c7d3b2d2816b9f7f8eeebab148d29056c2ca4d7cbc966f2d9
+              tag: 9.1.0@sha256:8e8d64b405ce18f41b8e5ee20aa4687a8ed0022d1298f2ce31cdcf3a76e09411
     persistence:
       data:
         enabled: true