chore(deps): update helm chart traefik to v1.78.4 (#366)

Author: renovate[bot]

Phonebook/phonebook/requirements.yaml

@@ -1,6 +1,6 @@
 dependencies:
 - name: traefik
   condition: traefik.enabled
-  version: 1.70.2
+  version: 1.78.4
   appVersion: 1.7.12
   repository: https://kubernetes-charts.storage.googleapis.com