fix(e2e): fix e2e tests

Author: hawjia.lim

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.19'
+          go-version: "1.20"
 
       - name: Install Go dependencies
         run: |