community/roc-toolkit: upgrade to 0.2.6

https://github.com/roc-streaming/roc-toolkit/compare/v0.2.5...v0.2.6 -> code change lgtm

Changelog

Version 0.2.6 (Nov 05, 2023)
Packaging

    build debian packages on debian:bullseye

    in debian packages, statically link all dependencies except libc, libasound, libpulse

    ensure that packages are installable on debian:oldstable, debian:stable, ubuntu:20.04, ubuntu:22.04, ubuntu:latest

https://roc-streaming.org/toolkit/docs/development/changelog.html#version-0-2-6-nov-05-2023