Migrate to Conan 2.x

[yhmo]

conanfiles pr: milvus-io/conanfiles#92

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.00%. Comparing base (b08080f) to head (ac8d2c7).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #445   +/-   ##
=======================================
  Coverage   76.00%   76.00%           
=======================================
  Files         108      108           
  Lines        9467     9462    -5     
  Branches     1322     1322           
=======================================
- Hits         7195     7192    -3     
+ Misses       2272     2270    -2     

Flag	Coverage Δ
cpp	80.84% <ø> (+0.01%)	⬆️
python	45.52% <ø> (ø)

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