chore(deps): update app-template docker tag to v3 (#71)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| app-template | major | `1.5.1` -> `3.1.0` |
| app-template | major | `2.0.3` -> `3.1.0` |

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cluster/apps/home/home-assistant/helm-release.yaml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: app-template
-      version: 2.0.3
+      version: 3.1.0
       interval: 30m
       sourceRef:
         kind: HelmRepository

cluster/apps/media/radarr/app/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://bjw-s.github.io/helm-charts
       chart: app-template
-      version: 2.0.3
+      version: 3.1.0
       sourceRef:
         kind: HelmRepository
         name: bjw-s

cluster/apps/media/sabnzbd/app/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://bjw-s.github.io/helm-charts
       chart: app-template
-      version: 2.0.3
+      version: 3.1.0
       sourceRef:
         kind: HelmRepository
         name: bjw-s

cluster/apps/media/sonarr/app/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://bjw-s.github.io/helm-charts
       chart: app-template
-      version: 2.0.3
+      version: 3.1.0
       sourceRef:
         kind: HelmRepository
         name: bjw-s

cluster/apps/monitoring/speedtest-exporter/app/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://bjw-s.github.io/helm-charts
       chart: app-template
-      version: 2.0.3
+      version: 3.1.0
       sourceRef:
         kind: HelmRepository
         name: bjw-s

cluster/apps/networking/echo-server/app/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: app-template
-      version: 1.5.1
+      version: 3.1.0
       sourceRef:
         kind: HelmRepository
         name: bjw-s