url2pkg fails with arduino/ctags github hosted release

[Krzysztof Lasocki <krz.lasocki%gmail.com@localhost>]

url2pkg fails to download the following url
https://github.com/arduino/ctags/archive/5.8-arduino11.tar.gz
from the arduino ctags project at
https://github.com/arduino/ctags/releases

Other tar.gz and zip files from arduino github account download fine

log snippet:
# url2pkg https://github.com/arduino/ctags/archive/5.8-arduino11.tar.gz
[ vi runs ]
"Makefile" 15L, 407C written
url2pkg> Running "make distinfo" ...
=> Bootstrap dependency digest>=20010302: found digest-20180917
===> Skipping vulnerability checks.
[ ... ]
=> Fetching 5.8-arduino11.tar.gz
Trying 140.82.118.3:443 ...
Requesting https://github.com/arduino/ctags/archive/arduino11.tar.gz
Redirected to https://codeload.github.com/arduino/ctags/tar.gz/arduino11
Trying 192.30.253.120:443 ...
Requesting https://codeload.github.com/arduino/ctags/tar.gz/arduino11
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file 5.8-arduino11.tar.gz
[ attempts to fetch from NetBSD ftp several times, gets 404s ]
fetch: Unable to fetch expected file 5.8-arduino11.tar.gz
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/wip/test
Died at /usr/pkg/bin/url2pkg line 405, <SITES> line 280.
root@beastie1:/usr/pkgsrc/wip/test#