production: set correct app kustomization namespace

basic/clusters/production/gitea-kustomization.yaml

@@ -3,9 +3,9 @@ apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
 kind: Kustomization
 metadata:
   name: gitea
-  namespace: stackspout
+  namespace: flux-system
 spec:
-  interval: 10m
+  interval: 5m
   timeout: 30m
   dependsOn:
     - name: single-sign-on

basic/clusters/production/infrastructure-kustomization.yaml

@@ -4,7 +4,7 @@ metadata:
   name: sources
   namespace: stackspout
 spec:
-  interval: 10m
+  interval: 5m
   sourceRef:
     kind: GitRepository
     name: stackspout

basic/clusters/production/vikunja-kustomization.yaml

@@ -3,9 +3,9 @@ apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
 kind: Kustomization
 metadata:
   name: vikunja
-  namespace: stackspout
+  namespace: flux-system
 spec:
-  interval: 10m
+  interval: 5m
   timeout: 30m
   dependsOn:
     - name: single-sign-on