切换运行环境为ubuntu20.04

Author: 阿卡林刘

openwrt-ci.yml

@@ -24,7 +24,7 @@ jobs:
 
     name: Build OpenWrt firmware
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     if: github.event.repository.owner.id == github.event.sender.id