fix dev:ci script

apps/slackbot-proxy/package.json

@@ -12,7 +12,7 @@
     "cp:bootstrap:dev": "cp -RT ../../node_modules/bootstrap/dist ./src/public/bootstrap",
     "tsc": "tsc -p tsconfig.build.json",
     "tsc:w": "yarn tsc -w",
-    "dev:ci": "yarn dev --ci",
+    "dev:ci": "cross-env NODE_ENV=development yarn ts-node src/index.ts --ci",
     "dev": "cross-env NODE_ENV=development nodemon --exec yarn ts-node --inspect src/index.ts",
     "start:prod:ci": "yarn start:prod --ci",
     "start:prod": "cross-env NODE_ENV=production node -r dotenv-flow/config dist/index.js",