Explicitly mark component as non-multi-tenant

Assigning the argocd component to a team other than the cluster owner
team doesn't make sense, so we set `_metadata.multi_tenant=false`.

Additionally, we update the `.cruft.json` to the latest template hash so
future template updates are applied cleanly.

Rendered from template version: main (98d16f9)

.cruft.json

@@ -1,6 +1,6 @@
 {
   "template": "https://github.com/projectsyn/commodore-component-template.git",
-  "commit": "a8791fbf66789515dbe6eefe7feca03a3289ea33",
+  "commit": "98d16f99766e6c6d97322dbe42e058f0e2bf73d0",
   "checkout": "main",
   "context": {
     "cookiecutter": {

class/defaults.yml

@@ -1,6 +1,9 @@
 ---
 parameters:
   argocd:
+    =_metadata:
+      # This component can't be assigned to a team
+      multi_tenant: false
     namespace: syn
 
     distribution: ${facts:distribution}