x11-fonts/nerd-fonts: update to 2.1.0 release

New fonts in package:

• IBM Plex
• iA Writer (patched as iM Writing)
• Agave
• DaddyTimeMono
• Victor Mono
• Cascadia Code (patched as Caskaydia Cove)
• JetBrains Mono

sort -V plist

PR: 245993
Submitted by: fluffy
Approved by: Greg Fitzgerald (maintainer)
Relnotes: https://github.com/ryanoasis/nerd-fonts/blob/v2.1.0/changelog.md