Updating Dockerfiles From Docker Directory and get_started.md to Reach Last Stable Version of Python, PyTorch and MMCV (#1446)

* Update Dockerfile

Compatible with the latest version of MMCV and PyTorch for compatibility with Python3.10

* Update Dockerfile for serve

Compatible with the latest version of MMCV and PyTorch for compatibility with Python3.10

* Updating to the last version of supported Python

* Update Dockerfile

* Update get_started.md

* Update docs/zh_cn/get_started.md

Co-authored-by: Miao Zheng <76149310+MeowZheng@users.noreply.github.com>

Co-authored-by: Miao Zheng <76149310+MeowZheng@users.noreply.github.com>