bump version to v0.2.6

[lvhan028]

No description provided.

[ispobock]

Hi @lvhan028 @irexyc In the newest main branch, if I use the converted model, it will fail, pls help fix

lmdeploy serve api_server ./workspace --server-name 0.0.0.0 --server-port 23333 --tp 1

  File "/workdir/lmdeploy/lmdeploy/utils.py", line 191, in get_hf_config_content
    with open(config_path, 'r') as f:
         ^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: './workspace/config.json'

[lvhan028]

@irexyc may check the issue

[lvhan028]

@ispobock fixed in #1304
Thanks a lot