fix: Add missing requests dependency

Add requests>=2.28.0 to requirements.txt

Required by src/utils/download.py for HTTP downloads

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

Author: toraidl

requirements.txt

@@ -1,24 +1,8 @@
 # HyperOS Port Tool - Production Dependencies
 # Python 3.8+ required
 
-# Core dependencies (already in Python standard library for 3.8+)
-# - argparse
-# - json
-# - logging
-# - pathlib
-# - shutil
-# - sys
-# - zipfile
-# - concurrent.futures
-# - subprocess
-# - platform
-# - types
-# - warnings
-# - dataclasses
-# - typing
-
-# No external runtime dependencies required!
-# This project uses only Python standard library.
+# HTTP library for downloading assets
+requests>=2.28.0
 
 # Optional performance improvements
 # ujson>=5.0.0  # Faster JSON parsing (optional)