The most effective way into “official” Ubuntu is probably via Debian, although there's nothing stopping you from providing your own Ubuntu PPA.
If you want to get a ripgrep package into Debian then you’ll need to do the work to turn the sources into something that Debian can build automatically & find yourself a Debian developer who’ll act as a sponsor for your package and upload it to the Debian archive.
The Debian Mentors mailing list is probably a good place to start, although you could make a sponsor request directly via the bug tracking system if you wanted to:
If you want to get a ripgrep package into Debian then you’ll need to do the work to turn the sources into something that Debian can build automatically & find yourself a Debian developer who’ll act as a sponsor for your package and upload it to the Debian archive.
The Debian Mentors mailing list is probably a good place to start, although you could make a sponsor request directly via the bug tracking system if you wanted to:
https://wiki.debian.org/DebianMentorsFaq#How_do_I_get_a_spon...