ci(github actions): add github action to build and push docker image.

[LonghronShen]

Add github action to build and push docker image to the GHCR.

• [Multi-platform build] Build for arm64v8, tested with failure, commented out for future.
• [CUDA capability] By setting GPTQ_FOR_LLAMA_VER repository envrionment to 841feedde876785bc8022ca48fd9c3ff626587e2, and TORCH_CUDA_ARCH_LIST to 3.5;5.0;6.0;6.1;7.0;7.5;8.0;8.6+PTX, the older gpu could work.