fix: incorrect task names with __main__

Author: raidzin

taskiq/abc/broker.py

@@ -318,7 +318,10 @@ def inner(
                     fmodule = func.__module__
                     if fmodule == "__main__":  # pragma: no cover
                         fmodule = ".".join(
-                            remove_suffix(sys.argv[0], ".py").split(
+                            remove_suffix(
+                                os.path.normpath(sys.argv[0]),
+                                ".py",
+                            ).split(
                                 os.path.sep,
                             ),
                         )