feat(cluster)!: remove dash charts prefix on flux helmrepositories

Signed-off-by: Devin Buhl <devin@buhl.casa>

cluster/charts/stakater.yaml

@@ -2,9 +2,9 @@
 apiVersion: source.toolkit.fluxcd.io/v1beta2
 kind: HelmRepository
 metadata:
-  name: stakater-charts
+  name: stakater
   namespace: flux-system
 spec:
   interval: 30m
-  url: https://stakater.github.io/stakater-charts
+  url: https://stakater.github.io/stakater
   timeout: 3m