paru: correct shell completion file names (#390016)

Changed files
+3 -3
pkgs
by-name
pa
+3 -3
pkgs/by-name/pa/paru/package.nix
···
postInstall = ''
installManPage man/paru.8 man/paru.conf.5
-
installShellCompletion --bash completions/bash
-
installShellCompletion --fish completions/fish
-
installShellCompletion --zsh completions/zsh
+
installShellCompletion --name paru.bash --bash completions/bash
+
installShellCompletion --name paru.fish --fish completions/fish
+
installShellCompletion --name _paru --zsh completions/zsh
cp -r locale "$out/share/"
'';