chromium: Switch from PipeWire 0.2 to the current 0.3.x releases

This should make it work more reliable and support additional features
like window sharing. See [0] for more details.

[0]: https://jgrulich.cz/2020/12/18/webrtc-chromium-updates-in-2020/

pkgs/applications/networking/browsers/chromium/default.nix

@@ -2,7 +2,7 @@
 , llvmPackages_11, ed, gnugrep, coreutils, xdg-utils
 , glib, gtk3, gnome3, gsettings-desktop-schemas, gn, fetchgit
 , libva ? null
-, pipewire_0_2
+, pipewire
 , gcc, nspr, nss, runCommand
 , lib
 
@@ -161,7 +161,7 @@ in stdenv.mkDerivation {
 
   buildCommand = let
     browserBinary = "${chromiumWV}/libexec/chromium/chromium";
-    libPath = lib.makeLibraryPath [ libva pipewire_0_2 ];
+    libPath = lib.makeLibraryPath [ libva pipewire ];
 
   in with lib; ''
     mkdir -p "$out/bin"