immich: use jellyfin-ffmpeg

fixes https://github.com/NixOS/nixpkgs/issues/351943

pkgs/by-name/im/immich/package.nix

@@ -17,7 +17,7 @@
   cacert,
   unzip,
   # runtime deps
-  ffmpeg-headless,
+  jellyfin-ffmpeg,
   imagemagick,
   libraw,
   libheif,
@@ -155,7 +155,7 @@ buildNpmPackage' {
   ];
 
   buildInputs = [
-    ffmpeg-headless
+    jellyfin-ffmpeg
     imagemagick
     libraw
     libheif
@@ -198,7 +198,7 @@ buildNpmPackage' {
       --suffix PATH : "${
         lib.makeBinPath [
           perl
-          ffmpeg-headless
+          jellyfin-ffmpeg
         ]
       }"