uvtools: fix missing runtime dep on emgucv

now `UVtoolsCmd convert case.sl1 Chitubox case.ctb` works!

or, appears to work. i have no printer with which to test the output yet

pkgs/by-name/uvtools/package.nix

@@ -1,6 +1,7 @@
 {
   buildDotnetModule,
   dotnetCorePackages,
+  emgucv,
   fetchFromGitHub,
   lib,
 }:
@@ -19,6 +20,10 @@ buildDotnetModule rec {
   dotnet-sdk = dotnetCorePackages.sdk_9_0;
   dotnet-runtime = dotnetCorePackages.runtime_9_0;
 
+  runtimeDeps = [
+    emgucv
+  ];
+
   # available projects:
   # - UVtools.Installer/UVtools.Installer.wixproj  (needs WixToolset, not in nixpkgs)
   # - UVtools.Core/UVtools.Core.csproj