Update version to 0.7.0.dev4

[JinHai-CN]

What problem does this PR solve?

As title

Type of change

• Python SDK impacted, Need to update PyPI
• Other (please describe): update version

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 41.33%. Comparing base (0c5df9d) to head (3809e20).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3281      +/-   ##
==========================================
- Coverage   50.54%   41.33%   -9.22%     
==========================================
  Files         731      731              
  Lines      153402   153402              
  Branches    27752    27752              
==========================================
- Hits        77534    63403   -14131     
- Misses      65532    80765   +15233     
+ Partials    10336     9234    -1102     

Flag	Coverage Δ
debug http test	28.16% <100.00%> (+0.10%)	⬆️
debug pysdk test	?
debug sqllogical test	?
debug unit test	38.59% <100.00%> (-0.06%)	⬇️

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