feat(container): update image app-template to v3.4.0

[renovate]

This PR contains the following updates:

Package	Update	Change
app-template	minor	3.1.0 -> 3.4.0

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[github-actions]

--- kubernetes/apps/network/echo-server/app Kustomization: flux-system/echo-server HelmRelease: network/echo-server

+++ kubernetes/apps/network/echo-server/app Kustomization: flux-system/echo-server HelmRelease: network/echo-server

@@ -13,13 +13,13 @@

     spec:
       chart: app-template
       sourceRef:
         kind: HelmRepository
         name: bjw-s
         namespace: flux-system
-      version: 3.1.0
+      version: 3.4.0
   install:
     remediation:
       retries: 3
   interval: 30m
   upgrade:
     cleanupOnFail: true
--- kubernetes/apps/system-upgrade/system-upgrade-controller/app Kustomization: flux-system/system-upgrade-controller HelmRelease: system-upgrade/system-upgrade-controller

+++ kubernetes/apps/system-upgrade/system-upgrade-controller/app Kustomization: flux-system/system-upgrade-controller HelmRelease: system-upgrade/system-upgrade-controller

@@ -13,13 +13,13 @@

     spec:
       chart: app-template
       sourceRef:
         kind: HelmRepository
         name: bjw-s
         namespace: flux-system
-      version: 3.1.0
+      version: 3.4.0
   install:
     remediation:
       retries: 3
   interval: 30m
   upgrade:
     cleanupOnFail: true
--- kubernetes/apps/network/cloudflared/app Kustomization: flux-system/cloudflared HelmRelease: network/cloudflared

+++ kubernetes/apps/network/cloudflared/app Kustomization: flux-system/cloudflared HelmRelease: network/cloudflared

@@ -13,13 +13,13 @@

     spec:
       chart: app-template
       sourceRef:
         kind: HelmRepository
         name: bjw-s
         namespace: flux-system
-      version: 3.1.0
+      version: 3.4.0
   install:
     remediation:
       retries: 3
   interval: 30m
   upgrade:
     cleanupOnFail: true