thanks pacman

$ sudo pacman -U https://archive.org/download/archlinux_pkg_audacity/audacity-1:2.3.3-2-x86_64.pkg.tar.zst
loading packages...
warning: downgrading package audacity (1:3.2.2-1 => 1:2.3.3-2)
resolving dependencies...
warning: cannot resolve "libFLAC.so=8-64", a dependency of "audacity"
warning: cannot resolve "libFLAC++.so=6-64", a dependency of "audacity"
:: The following package cannot be upgraded due to unresolvable dependencies:
      audacity

:: Do you want to skip the above package for this upgrade? [y/N] n
error: failed to prepare transaction (could not satisfy dependencies)
:: unable to satisfy dependency 'libFLAC.so=8-64' required by audacity
:: unable to satisfy dependency 'libFLAC++.so=6-64' required by audacity