Merge pull request #2839 from Automattic/fix/no-sandboxsync-zips

Added zip files and package-lock to sync ignore

.sandbox-ignore

@@ -3,6 +3,8 @@
 .gitignore
 .sandbox-config
 .sandbox-ignore
+package-lock.json
 sandbox.sh
 vendor
-node_modules
+node_modules
+**/*.zip