Ap/ibc v2 to v4

[snobbee]

• IBC go migration from v2 to v4
• and Cosmos SDK upgrade from v0.45.9 to v0.45.16

[codecov]

Codecov Report

Merging #3422 (b846644) into master (0c63583) will increase coverage by 0.00%.
Report is 4 commits behind head on master.
The diff coverage is 30.55%.

@@           Coverage Diff           @@
##           master    #3422   +/-   ##
=======================================
  Coverage   43.35%   43.36%           
=======================================
  Files         166      166           
  Lines       15895    15904    +9     
=======================================
+ Hits         6891     6896    +5     
- Misses       8591     8595    +4     
  Partials      413      413           

Files	Coverage Δ
app/app.go	90.20% <100.00%> (+0.10%)	⬆️
cmd/sifnoded/cmd/ibc-diag.go	15.74% <ø> (ø)
x/dispensation/types/types.go	100.00% <100.00%> (ø)
x/ibctransfer/helpers/conversion_helper.go	37.19% <ø> (ø)
x/ibctransfer/keeper/msg_server.go	86.95% <ø> (ø)
x/ibctransfer/types/mocks/expected_keepers_gen.go	25.33% <ø> (ø)
app/setup_handlers.go	10.52% <0.00%> (+1.83%)	⬆️
x/ibctransfer/onrecv_packet.go	0.00% <0.00%> (ø)
x/tokenregistry/types/mock/keeper_gen.go	0.00% <0.00%> (ø)