MGR-2976: Add stage to management

[BohuTANG]

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Summary

Summary about this PR:

• Add user stage api stored to metasrv,
• Add stage operations to query/users

this is part of #2976

Changelog

• New Feature

Related Issues

Fixes #2980

Test Plan

Unit Tests

Stateless Tests

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[codecov-commenter]

Codecov Report

Merging #2984 (8730cb5) into main (9695869) will increase coverage by 0%.
The diff coverage is 94%.

@@          Coverage Diff           @@
##            main   #2984    +/-   ##
======================================
  Coverage     68%     68%            
======================================
  Files        644     648     +4     
  Lines      33880   34007   +127     
======================================
+ Hits       23062   23158    +96     
- Misses     10818   10849    +31     

Impacted Files	Coverage Δ
common/meta/types/src/user_stage.rs	50% <50%> (ø)
query/src/users/user_stage.rs	90% <90%> (ø)
common/management/src/stage/stage_mgr.rs	94% <94%> (ø)
query/src/users/user_stage_test.rs	97% <97%> (ø)
common/management/src/user/user_mgr.rs	95% <100%> (ø)
query/src/users/user_mgr.rs	83% <100%> (-1%)	⬇️
query/src/common/mod.rs	70% <0%> (-15%)	⬇️
query/src/clusters/cluster.rs	54% <0%> (-2%)	⬇️
query/src/sql/statements/statement_select.rs	85% <0%> (+<1%)	⬆️
... and 1 more

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