rapcad: 0.9.5 -> 0.9.8

[ndowens]

Motivation for this change

Update

Things done

• Tested using sandboxing
  (nix.useSandbox on NixOS,
  or option build-use-sandbox in nix.conf
  on non-NixOS)
• Built on platform(s)
  • NixOS
  • macOS
  • Linux
• Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Fits CONTRIBUTING.md.

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[mention-bot]

@ndowens, thanks for your PR! By analyzing the history of the files in this pull request, we identified @7c6f434c, @dezgeg and @abbradar to be potential reviewers.