chore(localdev): upgrade and enable subcharts (#105)

- upgrade portal from v1.6.0 to v1.7.0-alpha
- upgrade and enable iam instances from v1.2.0 to v2.0.0-alpha
- update documentation: remove note for cpu arch incompatibility for mac as all images are now also available for arm64

charts/localdev/Chart.yaml

@@ -20,7 +20,7 @@
 apiVersion: v2
 name: localdev-portal-iam
 type: application
-version: 0.0.1
+version: 0.1.0
 description: Setup of CX Portal & IAM for local development
 home: https://github.com/eclipse-tractusx/portal-cd
 sources:
@@ -33,15 +33,15 @@ dependencies:
   - condition: portal.enabled
     name: portal
     repository: https://eclipse-tractusx.github.io/charts/dev
-    version: 1.6.0
+    version: 1.7.0-alpha
   - condition: centralidp.enabled
     name: centralidp
     repository: https://eclipse-tractusx.github.io/charts/dev
-    version: 1.2.0
+    version: 2.0.0-alpha
   - condition: sharedidp.enabled
     name: sharedidp
     repository: https://eclipse-tractusx.github.io/charts/dev
-    version: 1.2.0
+    version: 2.0.0-alpha
   - condition: pgadmin4.enabled
     name: pgadmin4
     repository: https://helm.runix.net