trying sync; --recursive only a thing on cp

Author: jpolitz

.github/workflows/makefile.yml

@@ -116,4 +116,4 @@ jobs:
 
     - name: Copy cpo-main and related JS to S3
       run: |
-        aws s3 sync ./build/web/js s3://pyret-horizon/horizon-action-test --recursive --acl public-read 
+        aws s3 sync ./build/web/js s3://pyret-horizon/horizon-action-test --acl public-read