Fix helmfile template --include-crds not to break with chartify (#1583)

* Fix `helmfile template --include-crds` not to break with `chartify`

This bumps variantdev/chartify to 0.4.9 so that we can incorporate https://github.com/variantdev/chartify/commit/fed8bb29533904b1af3044a266220652231afe87

* Fix integration test

test/integration/happypath.yaml

@@ -4,8 +4,6 @@ environments:
       - environment.values.yaml
 ---
 repositories:
-  - name: stable
-    url: https://kubernetes-charts.storage.googleapis.com/
   - name: center
     url: https://repo.chartcenter.io
 
@@ -30,6 +28,7 @@ releases:
 
   - name: raw
     chart: center/incubator/raw
+    version: 0.2.3
     values:
       - mysecret: {{ .Environment.Values.mysecret }}
       - values.yaml