Merge branch 'js/ci-github-update-ubuntu'

Adjust to the deprecation of use of Ubuntu 20.04 GitHub Actions CI. * js/ci-github-update-ubuntu: ci: upgrade `sparse` to supported build agents

Junio C Hamano committed Apr 16, 2025 at 13:54 UTC 03d96fc61df71fe577d1209f489d636952721d5a

No changes.