devel/git-delta: update to 0.9.2

Changes: https://github.com/dandavison/delta/releases/tag/0.6.0
Changes: https://github.com/dandavison/delta/releases/tag/0.7.1
Changes: https://github.com/dandavison/delta/releases/tag/0.8.0
Changes: https://github.com/dandavison/delta/releases/tag/0.9.0

PR: 260004