Fix setup.py (#8798)

enforce unix newline encoding regardless of OS creating the file

setup.py

@@ -165,7 +165,7 @@ class DepsTableUpdateCommand(Command):
         ]
         target = "src/transformers/dependency_versions_table.py"
         print(f"updating {target}")
-        with open(target, "w") as f:
+        with open(target, "w", encoding="utf-8", newline="\n") as f:
             f.write("\n".join(content))