devel/git-delta: Update to 0.14.0, set MAINTAINER

ChangeLog: https://github.com/dandavison/delta/releases/tag/0.14.0

• Update color-moved-support.md
• Tweak some words improved representation
• Only trigger git show handler if a file extension was parsed
• Fix commit hyperlink formatting
• Avoid lockup when running without arguments and stdin is connected to a tty
• Fix whole-file changes being attributed to the wrong commit in "git log" output
• Update README.md to include git 2.37.0 workaround
• Don't attempt to process ANSI sequences in non-UTF8 input
• Update clap
• Recreate highlighter on each line of git show $commit:$path output
• Fix git-grep match-highlighting at line-start
• Update to chameleon theme
• Fix typos
• Support configurable timestamps in git blame output
• Added auto completions for fish shell

Reporter becomes maintainer. Already maintainer of several ports.

PR: 267213
Reported by: DtxdF@disroot.org