fix: ensure binary has execute permission in PyPI wrapper

pip/pipx may not preserve zip external_attr permissions when extracting
wheels, causing PermissionError on the bundled binary. The wrapper now
checks and adds execute permission at runtime if missing.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: mikolalysenko

pypi/socket-patch/socket_patch/__init__.py

@@ -17,4 +17,6 @@ def main():
         )
         sys.exit(1)
     bin_path = os.path.join(bin_dir, bins[0])
+    if not os.access(bin_path, os.X_OK):
+        os.chmod(bin_path, os.stat(bin_path).st_mode | 0o111)
     raise SystemExit(subprocess.call([bin_path] + sys.argv[1:]))