Merge pull request #56 from 0glabs/dev-047

update go version of workflow to 1.21

.github/workflows/upload-release-assets.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: '1.20'
+        go-version: '1.21'
     - name: Build
       run: make build
     - name: Rename file