enhance: move object storage client creation to pkg package

[jaime0815]

issue: #40439

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[codecov]

Codecov Report

Attention: Patch coverage is 77.08978% with 74 lines in your changes missing coverage. Please review.

Project coverage is 80.55%. Comparing base (a56b240) to head (aa81fe1).
Report is 32 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/objectstorage/util.go	63.18%	64 Missing and 10 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #40440       +/-   ##
===========================================
+ Coverage   70.04%   80.55%   +10.50%     
===========================================
  Files         309     1475     +1166     
  Lines       27725   207617   +179892     
===========================================
+ Hits        19421   167252   +147831     
- Misses       8304    34303    +25999     
- Partials        0     6062     +6062     

Components	Coverage Δ
Client	79.74% <ø> (∅)
Core	70.00% <ø> (-0.05%)	⬇️
Go	82.31% <77.08%> (∅)

Files with missing lines	Coverage Δ
internal/indexnode/chunk_mgr_factory.go	92.00% <100.00%> (ø)
internal/storage/azure_object_storage.go	86.60% <100.00%> (ø)
internal/storage/factory.go	94.87% <100.00%> (ø)
internal/storage/gcp_native_object_storage.go	68.00% <100.00%> (ø)
internal/storage/local_chunk_manager.go	67.28% <100.00%> (ø)
internal/storage/minio_object_storage.go	78.72% <100.00%> (ø)
internal/storage/remote_chunk_manager.go	73.86% <100.00%> (ø)
internal/storage/utils.go	88.06% <100.00%> (ø)
internal/util/dependency/factory.go	69.66% <100.00%> (ø)
pkg/objectstorage/aliyun/aliyun.go	100.00% <ø> (ø)
... and 4 more

... and 1155 files with indirect coverage changes

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: czs007, jaime0815

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