chore(deps): update us-central1-docker.pkg.dev/bank-of-anthos-ci/bank…

…-of-anthos/accounts-db docker tag to v0.6.6 (#2258)

extras/backup/kubernetes-manifests/accounts-db.yaml

@@ -66,7 +66,7 @@ spec:
             name: accounts-db-config
         - configMapRef:
             name: demo-data-config
-        image: us-central1-docker.pkg.dev/bank-of-anthos-ci/bank-of-anthos/accounts-db:v0.6.5@sha256:abb955756a82b115e0fd9c5fa1527ae1a744b398b357fd6d7a26348feccad181
+        image: us-central1-docker.pkg.dev/bank-of-anthos-ci/bank-of-anthos/accounts-db:v0.6.6@sha256:829a5d79d382ad92d8a6379c37e73f98a0131dff4785a64a6f7dd8f6e02be2d5
         name: accounts-db
         ports:
         - containerPort: 5432