add --delete flag in master deployment

Author: ujjwalgupta94

.github/workflows/master_deployment.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Uploading to s3 bucket
         uses: jakejarvis/s3-sync-action@master
         with:
-          args: --acl public-read --follow-symlinks
+          args: --acl public-read --follow-symlinks --delete
         env:
           AWS_S3_BUCKET: ${{ secrets.POLYGON_AWS_S3_BUCKET }}
           AWS_ACCESS_KEY_ID: ${{ secrets.POLYGON_AWS_ACCESS_KEY_ID }}