fix ci

Signed-off-by: cwen0 <cwenyin0@gmail.com>

.github/workflows/ci.yml

@@ -50,6 +50,7 @@ jobs:
           elif [[ "$job" == "unit-test" ]]; then
             make unit-test
           elif [[ "$job" == "integration-test" ]]; then
+            curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
             sudo apt-get update
             sudo apt-get install -y stress-ng
             make integration-test