feat!: set proper namespaces and allow override

templates/gitea/deployment.yaml

@@ -2,6 +2,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ include "gitea.fullname" . }}
+  namespace: {{ include "common.names.namespace" . | quote }}
   annotations:
     {{- if .Values.deployment.annotations }}
     {{- toYaml .Values.deployment.annotations | nindent 4 }}
@@ -402,4 +403,4 @@ spec:
   {{- else if not .Values.persistence.enabled }}
         - name: data
           emptyDir: {}
-  {{- end }}
+  {{- end }}