feat(container)!: Update image app-template to v3 (#1370)

* feat(container)!: Update image app-template to v3

* Update helmrelease.yaml.j2

* Update helmrelease.yaml.j2

* Update helmrelease.yaml.j2

* Update README.md

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Devin Buhl <onedr0p@users.noreply.github.com>

bootstrap/templates/kubernetes/apps/network/cloudflared/app/helmrelease.yaml.j2

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: app-template
-      version: 2.6.0
+      version: 3.0.3
       sourceRef:
         kind: HelmRepository
         name: bjw-s
@@ -22,13 +22,13 @@ spec:
       retries: 3
   values:
     controllers:
-      main:
+      cloudflared:
         replicas: 2
         strategy: RollingUpdate
         annotations:
           reloader.stakater.com/auto: "true"
         containers:
-          main:
+          app:
             image:
               repository: docker.io/cloudflare/cloudflared
               tag: 2024.2.1
@@ -63,8 +63,6 @@ spec:
                   timeoutSeconds: 1
                   failureThreshold: 3
               readiness: *probes
-              startup:
-                enabled: false
             securityContext:
               allowPrivilegeEscalation: false
               readOnlyRootFilesystem: true
@@ -82,16 +80,22 @@ spec:
             runAsGroup: 65534
             runAsNonRoot: true
     service:
-      main:
+      app:
+        controller: cloudflared
         ports:
           http:
             port: *port
     serviceMonitor:
-      main:
-        enabled: true
+      app:
+        serviceName: cloudflared
+        endpoints:
+          - port: http
+            scheme: http
+            path: /metrics
+            interval: 1m
+            scrapeTimeout: 10s
     persistence:
       config:
-        enabled: true
         type: configMap
         name: cloudflared-configmap
         globalMounts: