fix: Invalidate proxy cache for create alias op

[congqixia]

Related to #43853

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.38%. Comparing base (412a0eb) to head (505fe8d).

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #43854       +/-   ##
===========================================
+ Coverage   73.72%   79.38%    +5.66%     
===========================================
  Files         331     1556     +1225     
  Lines       32194   225047   +192853     
===========================================
+ Hits        23734   178655   +154921     
- Misses       8460    39940    +31480     
- Partials        0     6452     +6452     

Components	Coverage Δ
Client	79.12% <ø> (∅)
Core	73.72% <ø> (ø)
Go	80.49% <100.00%> (∅)

Files with missing lines	Coverage Δ
internal/proxy/impl.go	74.79% <100.00%> (ø)
internal/rootcoord/create_alias_task.go	100.00% <100.00%> (ø)

... and 1223 files with indirect coverage changes

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