SUBMARINE-1359. Enable SonarCloud for Python

[huang06]

What is this PR for?

Enable SonarCloud for Python SDK.

What type of PR is it?

Improvement

Todos

What is the Jira issue?

https://issues.apache.org/jira/browse/SUBMARINE-1359

How should this be tested?

Screenshots (if appropriate)

Questions:

• Do the license files need updating? No
• Are there breaking changes for older versions? No
• Does this need new documentation? No

[codecov[bot]]

Codecov Report

Merging #1028 (34d152e) into master (fd692e2) will decrease coverage by 0.01%. The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1028      +/-   ##
============================================
- Coverage     25.49%   25.47%   -0.02%     
+ Complexity     1081     1080       -1     
============================================
  Files           358      358              
  Lines         29089    29089              
  Branches       3479     3479              
============================================
- Hits           7415     7411       -4     
- Misses        21460    21463       +3     
- Partials        214      215       +1     

Flag	Coverage Δ
python-integration	57.43% <ø> (-2.16%)	:arrow_down:
python-unit	52.19% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
.../submarine/server/websocket/ConnectionManager.java	53.65% <0.00%> (-4.88%)	:arrow_down:
...submarine/store/model_registry/sqlalchemy_store.py	96.26% <0.00%> (-0.83%)	:arrow_down:

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