v0.2.4
[Gemini] ParamOpHook -> ColoParamOpHook (#2080)
[polish] polish ColoTensor and its submodules (#2537)
[autoparallel] accelerate gpt2 training (#2495)
[Tensor] init ColoParameter (#914)
[autoparallel] fix bugs caused by negative dim key (#1808)
[doc] update rst and docstring (#1351)
[hotfix] fix implement error in diffusers
[autoparallel] fix runtime apply memory estimation (#2281)
[autoparallel] mix gather (#1977)