ci: re-run against published skainet 0.23.0

skainet 0.23.0 (PR SKaiNET-developers/SKaiNET#590) is now live on
Maven Central, unblocking dependency resolution for the 0.23.0 pin
in libs.versions.toml. Empty commit to force a CI re-run.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: michalharakal