feat: add grpc health interface

[gaius-qi]

Signed-off-by: Gaius [email protected]

Description

• Add GRPC health interface.

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

• Code compiles correctly.
• My code follows the code style of this project.
• 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.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #1195 (d143328) into main (c6c05f6) will decrease coverage by 0.05%.
The diff coverage is 25.00%.

❗ Current head d143328 differs from pull request most recent head fc9935b. Consider uploading reports for the commit fc9935b to get more accurate results

@@            Coverage Diff             @@
##             main    #1195      +/-   ##
==========================================
- Coverage   46.49%   46.44%   -0.06%     
==========================================
  Files         133      133              
  Lines       10513    10531      +18     
==========================================
+ Hits         4888     4891       +3     
- Misses       5070     5085      +15     
  Partials      555      555              

Flag	Coverage Δ
Object-compatibility-e2etests	∅ <ø> (∅)
e2etests	∅ <ø> (∅)
unittests	46.44% <25.00%> (-0.06%)	⬇️

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

Impacted Files	Coverage Δ
client/daemon/rpcserver/rpcserver.go	38.15% <0.00%> (-0.51%)	⬇️
client/daemon/upload/upload_manager.go	54.09% <20.00%> (-3.05%)	⬇️
scheduler/rpcserver/rpcserver.go	25.00% <100.00%> (+3.94%)	⬆️
client/daemon/peer/peertask_conductor.go	57.69% <0.00%> (-0.54%)	⬇️

[yxxhero]

/lgtm