deno: fix WebGPU on Linux by making Vulkan available

Resolves https://github.com/NixOS/nixpkgs/issues/558776.
Darwin already has working Vulkan support.

pkgs/by-name/de/deno/package.nix

@@ -17,6 +17,7 @@
   zstd,
   lcms2,
   lld,
+  vulkan-loader,
   writableTmpDirAsHomeHook,
 
   # Test deps
@@ -177,10 +178,6 @@ rustPlatform.buildRustPackage (finalAttrs: {
     "--skip=npm::lock_file_lock_write"
     "--skip=happy_eyeballs::tests::test_parallel_second_wins"
 
-    # GPU access
-    "--skip=js_unit_tests::webgpu_test"
-    "--skip=js_unit_tests::jupyter_test"
-
     # Use of /usr/bin
     "--skip=specs::permission::proc_self_fd"
 
@@ -267,6 +264,10 @@ rustPlatform.buildRustPackage (finalAttrs: {
       --zsh <($out/bin/deno completions zsh)
   '';
 
+  postFixup = lib.optionalString stdenv.hostPlatform.isLinux ''
+    patchelf --add-rpath ${lib.makeLibraryPath [ vulkan-loader ]} $out/bin/deno
+  '';
+
   doInstallCheck = canExecute;
   nativeInstallCheckInputs = [ versionCheckHook ];