Fix CI for releasing tea (#106)

fix ci

Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/106
Reviewed-by: mrsdizzie <info@mrsdizzie.com>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>

.drone.yml

@@ -72,6 +72,8 @@ steps:
 - name: static
   pull: always
   image: techknowlogick/xgo:latest
+  environment:
+    GOPROXY: https://goproxy.cn
   commands:
   - export PATH=$PATH:$GOPATH/bin
   - make release