Install file not found

[bsherjnpr]

The download script https://get-gnmic.openconfig.net is trying to download gnmic from https://github.com/openconfig/gnmic/releases/download/null/gnmic_ull_linux_x86_64.tar.gz, but it is getting "Not Found"

$ bash -c "$(curl -sL https://get-gnmic.openconfig.net)"
Downloading https://github.com/openconfig/gnmic/releases/download/null/gnmic_ull_linux_x86_64.tar.gz
tar: This does not look like a tar archive

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now
Failed to install gnmic
For support, go to https://github.com/openconfig/gnmic/issues

$ curl -SsL https://github.com/openconfig/gnmic/releases/download/null/gnmic_ull_linux_x86_64.tar.gz
Not Found