feat(argocd-apps)!: use maps instead of lists (#2538)

* feat(argocd-apps)!: use maps instead of lists

Signed-off-by: irizzant <i.rizzante@gmail.com>

* fix(chart): add artifacthub annotations

Signed-off-by: irizzant <i.rizzante@gmail.com>

* fix: remove not needed lines

Signed-off-by: irizzant <i.rizzante@gmail.com>

* fix: use the right range function

Signed-off-by: irizzant <i.rizzante@gmail.com>

* fix(argocd-apps): fix issues

Signed-off-by: irizzant <i.rizzante@gmail.com>

* fix: fix newline issue in values.yaml

Signed-off-by: irizzant <i.rizzante@gmail.com>

* fix: Use range function properly (revert complex changes on item-templates)

Signed-off-by: Marco Maurer <mkilchhofer@users.noreply.github.com>

---------

Signed-off-by: irizzant <i.rizzante@gmail.com>
Signed-off-by: Marco Maurer <mkilchhofer@users.noreply.github.com>
Co-authored-by: Jason Meridth <jmeridth@gmail.com>
Co-authored-by: Marco Maurer <mkilchhofer@users.noreply.github.com>
Co-authored-by: Aikawa <yu.croco@gmail.com>

charts/argocd-apps/ci/applications-multiple-sources-values.yaml

@@ -1,28 +1,28 @@
 #  Test with multi-source applications
 
 applications:
-- name: argocd-application-multiple-sources
-  additionalLabels: {}
-  additionalAnnotations: {}
-  finalizers:
-  - resources-finalizer.argocd.argoproj.io
-  project: default
-  sources:
-  - chart: elasticsearch
-    repoURL: https://helm.elastic.co
-    targetRevision: 8.5.1
-  - repoURL: https://github.com/argoproj/argocd-example-apps.git
-    path: guestbook
-    targetRevision: HEAD
-  destination:
-    server: https://kubernetes.default.svc
-    namespace: default
-  syncPolicy:
-    automated:
-      prune: false
-      selfHeal: false
-  ignoreDifferences:
-  - group: apps
-    kind: Deployment
-    jsonPointers:
-    - /spec/replicas
+  argocd-application-multiple-sources:
+    additionalLabels: {}
+    additionalAnnotations: {}
+    finalizers:
+    - resources-finalizer.argocd.argoproj.io
+    project: default
+    sources:
+    - chart: elasticsearch
+      repoURL: https://helm.elastic.co
+      targetRevision: 8.5.1
+    - repoURL: https://github.com/argoproj/argocd-example-apps.git
+      path: guestbook
+      targetRevision: HEAD
+    destination:
+      server: https://kubernetes.default.svc
+      namespace: default
+    syncPolicy:
+      automated:
+        prune: false
+        selfHeal: false
+    ignoreDifferences:
+    - group: apps
+      kind: Deployment
+      jsonPointers:
+      - /spec/replicas