feat: update api version to v2.0.56

[gaius-qi]

Description

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[codecov]

Codecov Report

Merging #2891 (bcd3e92) into main (ae5e2d7) will increase coverage by 0.01%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2891      +/-   ##
==========================================
+ Coverage   51.02%   51.03%   +0.01%     
==========================================
  Files         161      161              
  Lines       21781    21781              
==========================================
+ Hits        11114    11117       +3     
+ Misses      10007    10006       -1     
+ Partials      660      658       -2     

Flag	Coverage Δ
Object-compatibility-e2etests	?
unittests	51.03% <100.00%> (+0.01%)	⬆️

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

Files	Coverage Δ
scheduler/scheduling/scheduling.go	83.98% <100.00%> (ø)
scheduler/service/service_v2.go	85.16% <100.00%> (ø)

... and 1 file with indirect coverage changes