obs-studio-plugins.obs-tuna: add patch for qt 6.6 support

pkgs/applications/video/obs-studio/plugins/obs-tuna/default.nix

@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchFromGitHub
+, fetchpatch2
 , obs-studio
 , cmake
 , zlib
@@ -27,6 +28,16 @@ stdenv.mkDerivation (finalAttrs: {
     fetchSubmodules = true;
   };
 
+  patches = [
+    # fix build with qt 6.6.0
+    # treewide: replace deprecated qAsConst with std::as_const()
+    # https://github.com/univrsal/tuna/pull/176
+    (fetchpatch2 {
+      url = "https://github.com/univrsal/tuna/commit/0d570e771f8d8e6ae7c85bd2b86bbf59c264789e.patch";
+      hash = "sha256-A5idhMiM9funqhTm5XMIBqwy+FO1SaNPtgZjo+Vws6k=";
+    })
+  ];
+
   postInstall = ''
     mkdir $out/lib $out/share
     mv $out/obs-plugins/64bit $out/lib/obs-plugins