[Doc] Fix UTF-8 encoding issues in documentation generation on Windows (#24361)

Signed-off-by: alekramelaheehridoy <aliqramalaheehridoy@gmail.com>
Signed-off-by: alekramelaheehridoy <alekramelaheehridoy@gmail.com>
Co-authored-by: alekramelaheehridoy <alekramelaheehridoy@gmail.com>

docs/mkdocs/hooks/generate_argparse.py

@@ -165,6 +165,7 @@ def on_startup(command: Literal["build", "gh-deploy", "serve"], dirty: bool):
     # Generate documentation for each parser
     for stem, parser in parsers.items():
         doc_path = ARGPARSE_DOC_DIR / f"{stem}.md"
-        with open(doc_path, "w") as f:
+        # Specify encoding for building on Windows
+        with open(doc_path, "w", encoding="utf-8") as f:
             f.write(parser.format_help())
         logger.info("Argparse generated: %s", doc_path.relative_to(ROOT_DIR))