fix: correct typos in charts

imghost/Chart.yaml

@@ -2,5 +2,5 @@ apiVersion: v2
 name: imghost
 description: Helm Chart for imghost
 type: application
-version: 1.0.1
+version: 1.0.2
 appVersion: "b05ab1e2"

imghost/templates/configmap-oauth2.yaml

 apiVersion: v1
-kind: Secret
+kind: ConfigMap
 metadata:
   name: {{ include "imghost-helm.fullname" . }}-oauth2
   labels:
     component: oauth2
     {{- include "imghost-helm.labels" . | nindent 4 }}
-stringData:
+data:
   config: |-
     {{ .Values.oauth2.config | toYaml | nindent 4 }}