nghttp3: add curlHTTP3 to passthru.tests

pkgs/development/libraries/nghttp3/default.nix

@@ -1,6 +1,7 @@
 { lib, stdenv, fetchFromGitHub
 , autoreconfHook, pkg-config, file
 , cunit, ncurses
+, curlHTTP3
 }:
 
 stdenv.mkDerivation rec {
@@ -26,6 +27,10 @@ stdenv.mkDerivation rec {
   doCheck = true;
   enableParallelBuilding = true;
 
+  passthru.tests = {
+    inherit curlHTTP3;
+  };
+
   meta = with lib; {
     homepage = "https://github.com/ngtcp2/nghttp3";
     description = "nghttp3 is an implementation of HTTP/3 mapping over QUIC and QPACK in C.";