Quote ingress in order to support wildcard subdomain. (#6690)

Minio provide a way to use subdomain as bucket-name using the
`minioConfig.domain` config. This commit allow the * in the ingress.hosts

Exemple:

ingress:
  enabled: true
  hosts:
  - "*.minio.adoy.net"
minioConfig:
  domain: minio.adoy.net

Signed-off-by: Pierrick Charron <pierrick@webstart.fr>

stable/minio/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Minio is a high performance distributed object storage server, designed for large-scale private cloud infrastructure.
 name: minio
-version: 1.8.1
+version: 1.8.2
 appVersion: RELEASE.2018-09-12T18-49-56Z
 keywords:
 - storage

stable/minio/templates/ingress.yaml

@@ -21,14 +21,14 @@ spec:
   {{- range .Values.ingress.tls }}
     - hosts:
       {{- range .hosts }}
-        - {{ . }}
+        - {{ . | quote }}
       {{- end }}
       secretName: {{ .secretName }}
   {{- end }}
 {{- end }}
   rules:
   {{- range .Values.ingress.hosts }}
-    - host: {{ . }}
+    - host: {{ . | quote }}
       http:
         paths:
           - path: {{ $ingressPath }}