fix: wrong scheme via replacing tosfs to tos

Author: yanghua

fsspec/registry.py

@@ -213,7 +213,7 @@ def register_implementation(name, cls, clobber=False, errtxt=None):
         "err": 'SFTPFileSystem requires "paramiko" to be installed',
     },
     "tar": {"class": "fsspec.implementations.tar.TarFileSystem"},
-    "tosfs": {
+    "tos": {
         "class": "tosfs.TosFileSystem",
         "err": "Install tosfs to access ByteDance volcano engine Tinder Object Storage",
     },