add deployment labels to deployment

templates/gitea/deployment.yaml

@@ -8,6 +8,9 @@ metadata:
     {{- end }}
   labels:
     {{- include "gitea.labels" . | nindent 4 }}
+    {{- if .Values.deployment.labels }}
+    {{- toYaml .Values.deployment.labels | nindent 4 }}
+    {{- end }}
 spec:
   replicas: {{ .Values.replicaCount }}
   strategy:
@@ -397,4 +400,4 @@ spec:
   {{- else if not .Values.persistence.enabled }}
         - name: data
           emptyDir: {}
-  {{- end }}
+  {{- end }}