fix(container): update image ghcr.io/traptitech/rucq to v0.8.1 (#1141)

Co-authored-by: trap-renovate[bot] <138502363+trap-renovate[bot]@users.noreply.github.com>

Author: trap-renovate[bot]

rucq/backend-deployment.yaml

@@ -27,7 +27,7 @@ spec:
 
       containers:
         - name: rucq-backend
-          image: ghcr.io/traptitech/rucq:0.8.0
+          image: ghcr.io/traptitech/rucq:0.8.1
           env:
             - name: RUCQ_CORS_ALLOW_ORIGINS
               value: "rucq-admin.trap.jp"