use user-agent header with intel FW downloader

tools/intel_fw_download.py

diff --git a/tools/intel_fw_download.py b/tools/intel_fw_download.py
index b34c314..675b4fa 100644
--- a/tools/intel_fw_download.py
+++ b/tools/intel_fw_download.py
@@ -43,7 +43,8 @@
 # -----------------------------------------------------------------------------
 def download_file(base_url, name):
     url = f"{base_url}/{name}"
-    with urllib.request.urlopen(url) as file:
+    request = urllib.request.Request(url, data=None, headers={"User-Agent": "Bumble"})
+    with urllib.request.urlopen(request) as file:
         data = file.read()
         print(f"Downloaded {name}: {len(data)} bytes")
         return data