fix(init): update argocd app definition format

update project an application definition based an this (mostly useless)
changelog entry:

> make the chart use maps instead of lists

Usefull hints on the new structure can be found in then git diff:
https://github.com/argoproj/argo-helm/compare/argo-events-2.4.4...argocd-apps-2.0.0

or in the new valuesContent:
https://artifacthub.io/packages/helm/argo/argocd-apps?modal=values

argocd-init.yml

@@ -36,7 +36,7 @@ spec:
   targetNamespace: argocd
   valuesContent: |-
     projects:
-      - name: baseline
+      baseline:
         namespace: argocd
         finalizers:
           - resources-finalizer.argocd.argoproj.io
@@ -49,8 +49,7 @@ spec:
           - group: '*'
             kind: '*'
     applications:
-      - name: baseline
-        namespace: argocd
+      baseline:
         project: baseline
         finalizers:
           - resources-finalizer.argocd.argoproj.io