Flash player needs update

[ghost]

Issue description

building '/nix/store/4fn8bdxw3p0x0pzcpdd09ip3sbzh3204-source.drv'...

trying https://fpdownload.adobe.com/pub/flashplayer/pdc/32.0.0.101/flash_player_ppapi_linux.x86_64.tar.gz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (22) The requested URL returned error: 404 Not Found
error: cannot download source from any mirror

Steps to reproduce

  nixpkgs.config.allowUnfree = true;
  nixpkgs.config.chromium.enablePepperFlash = true;

Technical details

 - system: `"x86_64-linux"`
 - host os: `Linux 4.19.13, NixOS, 19.03pre165037.eebd1a92637 (Koi)`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.1.3`
 - channels(root): `"nixos-19.03pre165037.eebd1a92637"`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixos`

[dywedir]

Fixed in #53742