change location of wireshark manuf oui database

The format is not compatible with the new file.

https://github.com/klauspost/oui does also not read the new format.

Will have too look into why this is.

update-oui.sh

@@ -2,4 +2,4 @@
 
 set -e
 
-exec curl -o assets/manuf https://gitlab.com/wireshark/wireshark/-/raw/master/manuf
+exec curl -o assets/manuf https://www.wireshark.org/download/automated/data/manuf