update golang version (#84)

* update golang version in github action

Author: wangrzneu

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up go
       uses: actions/setup-go@v3
       with:
-        go-version: 1.21.9
+        go-version: 1.20.14
 
     - name: Build
       run: go build ./...

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Set up go
       uses: actions/setup-go@v3
       with:
-        go-version: 1.21.9
+        go-version: 1.20.14
 
     - name: Build
       run: bash hack/github-release.sh

go.mod

@@ -1,6 +1,6 @@
 module github.com/ucloud/ucloud-cli
 
-go 1.21
+go 1.20
 
 require (
 	github.com/fatih/color v1.13.0