Prepare for v2.12

[javiersuweijie]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 76.00000% with 6 lines in your changes missing coverage. Please review.

Please upload report for BASE (release/v2.12@cb4a461). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release/v2.12     #309   +/-   ##
================================================
  Coverage                 ?   66.09%           
================================================
  Files                    ?       47           
  Lines                    ?     2280           
  Branches                 ?        0           
================================================
  Hits                     ?     1507           
  Misses                   ?      602           
  Partials                 ?      171           

Files	Coverage Δ
app/custom_queriers/custom_queriers.go	100.00% <ø> (ø)
app/upgrade_handler.go	77.58% <100.00%> (ø)
x/tokenfactory/keeper/keeper.go	89.47% <100.00%> (ø)
x/tokenfactory/keeper/msg_server.go	74.43% <50.00%> (ø)
x/tokenfactory/keeper/bankactions.go	51.85% <63.63%> (ø)

[emidev98]

Looks good, and the vesting account transformation to basic account works fine. Before merging please remember to add the mainnet addresses to the upgrade handler