Update deployment.yml

Changed aws copy method from sync to cp

Author: ksrakshit

.github/workflows/deployment.yml

@@ -57,7 +57,7 @@ jobs:
         run: |
           cp -R assets/ build/
           cd build/
-          aws s3 sync . s3://lambdatest-stage-docs/support/
+          aws s3 cp . s3://lambdatest-stage-docs/support/ --recursive
           sleep 90;    
       - name: Cloudflare Invalidation
         run: |