Some fixes and updates

Signed-off-by: Nikolai Rodionov <nikolai.rodionov@onpier.de>

example/helmule.yaml

@@ -4,10 +4,17 @@ repositories:
       url: https://grafana.github.io/helm-charts
 
 charts:
-  - name: k8s-monitoring
+  - name: mimir-distributed
     repository: grafana
+    patches:
+      - name: vendor-deps
     mirrors:
       - custom-command
+patches:
+  - name: vendor-deps
+    custom_command:
+      commands:
+        - yq -i '.dependencies[].repository = "file://charts"' Chart.yaml
 mirrors:
   - name: custom-commands
     custom_command: