Add support to run gitea with an optional securityContext (#115)

Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/115
Reviewed-by: luhahn <[email protected]>
Reviewed-by: lafriks <[email protected]>
Co-authored-by: martencassel <[email protected]>
Co-committed-by: martencassel <[email protected]>

templates/gitea/statefulset.yaml

@@ -87,6 +87,8 @@ spec:
             failureThreshold: 3
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
           volumeMounts:
             - name: data
               mountPath: /data