[BUG]: docker tag 0.2.x

[MEllis-github]

🐛 Describe the bug

Describe the bug
docker.io/hpcaitech/colossalai:0.2.x (x > 0) report Colossal AI version 0.2.0 and contain non-release tagged code from >0.2.0 and <0.2.1

Expected behavior
The code in images tagged e.g. 0.2.7 should match the respective GitHub repository tagged version e.g. 0.2.7.

Additional notes

I expect this is due to the lack of version pinning in the build process (e.g. line 71 for https://hub.docker.com/layers/hpcaitech/colossalai/0.2.7/images/sha256-eb2697411805d[…]c1b0c03d457a745f2f8467f7961da64b61a4d4cbb89fb?context=explore).

git clone https://github.com/hpcaitech/ColossalAI.git     && cd ./ColossalAI     && CUDA_EXT=1 pip install -v --no-cache-dir .

Environment

docker.io/hpcaitech/colossalai:0.2.5
docker.io/hpcaitech/colossalai:0.2.7

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Title: [BUG]:

[MEllis-github]

Note, this may be resolved by #3266 depending on the final version of the PR