Move all password related data to secrets (#28)

Bump Chart version

Move all password related data to secrets

Co-authored-by: Lucas Hahn <lucas.hahn@novum-rgi.de>
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/28
Reviewed-by: techknowlogick <techknowlogick@gitea.io>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>

templates/gitea/config.yaml

@@ -1,10 +1,11 @@
 apiVersion: v1
-kind: ConfigMap
+kind: Secret
 metadata:
   name: {{ include "gitea.fullname" . }}
   labels:
     {{- include "gitea.labels" . | nindent 4 }}
-data:
+type: Opaque
+stringData:
   app.ini: |-
     {{- if not (hasKey .Values.gitea.config "cache") -}}
     {{- $_ := set .Values.gitea.config "cache" dict -}}