test against a branch

Author: HarshCasper

.github/workflows/preview.yml

@@ -24,7 +24,7 @@ jobs:
           cdklocal --version
 
       - name: Deploy Preview
-        uses: LocalStack/setup-localstack@v0.2.4
+        uses: LocalStack/setup-localstack@endpoint_s3_ephemeral
         env:
           LOCALSTACK_AUTH_TOKEN: ${{ secrets.LOCALSTACK_AUTH_TOKEN }}
         with: