doc: Correct release document

[zhongjiajie]

Brief Summary of The Change

Pull Request checklist

I confirm that the following checklist has been completed.

• Add/Change test cases for the changes.
• Add/Change the related documentation, should also change docs/source/config.rst when you change file default_config.yaml.
• (Optional) Add your change to UPDATING.md when it is an incompatible change.

[codecov-commenter]

Codecov Report

Merging #67 (20c96cf) into main (778b130) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #67   +/-   ##
=======================================
  Coverage   90.95%   90.95%           
=======================================
  Files          61       61           
  Lines        2211     2211           
=======================================
  Hits         2011     2011           
  Misses        200      200           

Flag	Coverage Δ
unittests	90.95% <ø> (ø)

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Impacted Files	Coverage Δ
src/pydolphinscheduler/core/task.py	93.78% <0.00%> (ø)
src/pydolphinscheduler/core/yaml_workflow.py	92.47% <0.00%> (ø)

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