Fix duplicative label in the Solr service template. (#19142)

Signed-off-by: Dickie Field <me@rpf3.io>

incubator/solr/Chart.yaml

@@ -2,7 +2,7 @@
 
 apiVersion: "v1"
 name: "solr"
-version: "1.3.1"
+version: "1.3.2"
 appVersion: "7.7.2"
 description: "A helm chart to install Apache Solr: http://lucene.apache.org/solr/"
 keywords:

incubator/solr/templates/service.yaml

@@ -14,6 +14,6 @@ spec:
     - port: {{ .Values.port }}
       name: "solr-client"
   selector:
-    app.kubernetes.io/instance: "{{ include "solr.name" . }}"
+    app.kubernetes.io/name: "{{ include "solr.name" . }}"
     app.kubernetes.io/instance: "{{ .Release.Name }}"
     app.kubernetes.io/component: "server"