feature docker runner g++ 0.0021

docker/gitea_runner_image/dockerfile.runner

@@ -15,6 +15,7 @@ RUN apt-get update && apt-get install -y \
     libffi-dev \
     libssl-dev \
     cargo \
+    g++
  && rm -rf /var/lib/apt/lists/*
 
 # Добавляем репозиторий Docker