enhance: Use v2 package name for pkg module

[congqixia]

Related to #39095

https://go.dev/doc/modules/version-numbers

Update pkg version according to golang dep version convention

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.61%. Comparing base (f0d3d98) to head (e655d31).
Report is 3 commits behind head on master.

❌ Your project check has failed because the head coverage (69.61%) is below the target coverage (77.00%). You can increase the head coverage or adjust the target coverage.

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HEAD has 2 uploads less than BASE

Flag	BASE (f0d3d98)	HEAD (e655d31)
	3	1

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #39990       +/-   ##
===========================================
- Coverage   80.56%   69.61%   -10.95%     
===========================================
  Files        1465      307     -1158     
  Lines      205366    27491   -177875     
===========================================
- Hits       165455    19139   -146316     
+ Misses      33893     8352    -25541     
+ Partials     6018        0     -6018     

Components	Coverage Δ
Client	∅ <ø> (∅)
Core	69.61% <ø> (ø)
Go	∅ <ø> (∅)

see 1158 files with indirect coverage changes

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