Merge pull request #64541 from bhipple/mirrors/alsa

mirrors.nix: add alsa-project.org for alsa

pkgs/build-support/fetchurl/mirrors.nix

···
 
   # Alsa Project
   alsa = [
-     ftp://ftp.alsa-project.org/pub/
-     http://alsa.cybermirror.org/
-     http://www.mirrorservice.org/sites/ftp.alsa-project.org/pub/
-     http://alsa.mirror.fr/
+    https://www.alsa-project.org/files/pub/
+    ftp://ftp.alsa-project.org/pub/
+    http://alsa.cybermirror.org/
+    http://www.mirrorservice.org/sites/ftp.alsa-project.org/pub/
+    http://alsa.mirror.fr/
   ];
 }