feat: Add cohere text embedding

[junjiejiangjjj]

#35856

[sre-ci-robot]

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[codecov]

Codecov Report

Attention: Patch coverage is 87.41722% with 19 lines in your changes missing coverage. Please review.

Project coverage is 80.08%. Comparing base (74890da) to head (9708cf2).
Report is 10 commits behind head on master.

Files with missing lines	Patch %	Lines
...nternal/util/function/cohere_embedding_provider.go	89.41%	6 Missing and 3 partials ⚠️
...il/function/models/cohere/cohere_text_embedding.go	81.63%	6 Missing and 3 partials ⚠️
internal/util/function/text_embedding_function.go	94.11%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #39581      +/-   ##
==========================================
+ Coverage   80.07%   80.08%   +0.01%     
==========================================
  Files        1465     1467       +2     
  Lines      203449   203552     +103     
==========================================
+ Hits       162918   163022     +104     
+ Misses      34709    34700       -9     
- Partials     5822     5830       +8     

Components	Coverage Δ
Client	79.45% <ø> (ø)
Core	69.39% <ø> (ø)
Go	81.81% <87.41%> (+0.01%)	⬆️

Files with missing lines	Coverage Δ
internal/util/function/common.go	100.00% <ø> (ø)
internal/util/function/text_embedding_function.go	92.96% <94.11%> (+10.57%)	⬆️
...nternal/util/function/cohere_embedding_provider.go	89.41% <89.41%> (ø)
...il/function/models/cohere/cohere_text_embedding.go	81.63% <81.63%> (ø)

... and 27 files with indirect coverage changes

[mergify]

@junjiejiangjjj go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify]

@junjiejiangjjj E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify]

@junjiejiangjjj go-sdk check failed, comment rerun go-sdk can trigger the job again.

[junjiejiangjjj]

rerun go-sdk

[junjiejiangjjj]

/assign @zhengbuqian @liliu-z

[zhengbuqian]

/lgtm