Adjust publish action

Author: Laurynas Butkus

.github/workflows/publish.yml

@@ -13,6 +13,8 @@ jobs:
           node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
       - run: npm ci
+        env:
+          CONVERT_API_SECRET: ${{ secrets.CONVERTAPI_SECRET }}
       - run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}