added logic to pass the firewall

[niveditasing]

The HUD website's firewall (Amazon WAF) started blocking the default Python requests library. Instead of returning the file,
it returned a security challenge (HTTP status 202), causing the script to crash.
The fix bypasses the firewall so all files can download successfully. I haven't added any code to skip already-downloaded files yet—the script just successfully downloads all of them now without crashing.

Differ has no deletions as all files are now getting download
PR checklist: https://docs.google.com/spreadsheets/d/1BzweR9Sj58j0H2_BweGTmfE4Z1lrjPZL8u1FS0kzCeg/edit?pli=1&gid=0#gid=0

[gemini-code-assist]

Code Review

This pull request updates the download_with_retry function in scripts/us_hud/income/process.py to include a custom User-Agent header and implement error handling with response.raise_for_status(). A review comment correctly identifies a security risk due to disabled SSL verification and suggests adding a timeout to the request to prevent potential hangs.