chore(deps): pin dependencies (#1559)

Author: renovate-bot

helm-chart/templates/loadgenerator.yaml

@@ -66,7 +66,7 @@ spec:
               - ALL
           privileged: false
           readOnlyRootFilesystem: true
-        image: busybox:latest
+        image: busybox:latest@sha256:7b3ccabffc97de872a30dfd234fd972a66d247c8cfc69b0550f276481852627c
         env:
         - name: FRONTEND_ADDR
           value: "{{ .Values.frontend.name }}:80"

helm-chart/templates/redis.yaml

@@ -51,7 +51,7 @@ spec:
           privileged: false
           readOnlyRootFilesystem: true
         {{- if .Values.cartDatabase.inClusterRedis.publicRepository }}
-        image: redis:alpine
+        image: redis:alpine@sha256:28b21d9e1726c2ba89610897a9a765bcd83edcc55baf6b9e31bed80123670001
         {{- else }}
         image: {{ .Values.images.repository }}/redis:alpine
         {{- end }}