fix(deploy_robots): default to bitbots_main workspace

as we now sync to the home dir otherwise with `rsync --delete` and
this results in deleting a bunch of important files e.g. `.zshrc`

Author: texhnolyze

scripts/deploy/deploy_robots.py

@@ -118,8 +118,8 @@ def _parse_arguments(self) -> argparse.Namespace:
         parser.add_argument(
             "-w",
             "--workspace",
-            default=".",
-            help="Path to the workspace directory to deploy to. Defaults to the current directory.",
+            default="./bitbots_main",
+            help="Path to the workspace directory to deploy to. Defaults to the current directory 'bitbots_main'.",
         )
         parser.add_argument("--skip-local-repo-check", action="store_true", help="Skip the local repository check.")