Fix build

Author: typeofweb

.github/workflows/test-pr.yml

@@ -82,6 +82,6 @@ jobs:
         run: cp .env-sample .env
 
       - name: Build
-        run: yarn build
+        run: DATABASE_URL=$(yarn heroku config:get DATABASE_URL -a polskifrontend) yarn build
         env:
           RELATIVE_CI_KEY: ${{ secrets.RELATIVE_CI_KEY }}