message: [vcpkg-integrate-project] Escape backticks. Fixes
diff: @@ -277,10 +277,13 @@ namespace vcpkg::Commands::Integrate
  Checks::check_exit(VCPKG_LINE_INFO, exit_code == 0 && fs.exists(nuget_package), "Error: NuGet package creation failed");
  System::println(System::Color::success, "Created nupkg: %s", nuget_package.string());
  + auto source_path = buildsystems_dir.u8string();
  + source_path = std::regex_replace(source_path, std::regex("`"), "``");
  +
  System::println(R"(
  With a project open, go to Tools->NuGet Package Manager->Package Manager Console and paste:
  Install-Package %s -Source "%s"
  -)", nuget_id, buildsystems_dir.generic_string());
  +)", nuget_id, source_path);
  Checks::exit_success(VCPKG_LINE_INFO);
  }
  