chore: upgrade cosmos sdk to v0.47.6

[robert-zaremba]

Description

[codecov]

Codecov Report

Merging #2326 (03fdba1) into main (7f05ad4) will decrease coverage by 4.96%.
Report is 293 commits behind head on main.
The diff coverage is 66.08%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2326      +/-   ##
==========================================
- Coverage   75.38%   70.43%   -4.96%     
==========================================
  Files         100      171      +71     
  Lines        8025    12973    +4948     
==========================================
+ Hits         6050     9137    +3087     
- Misses       1589     3225    +1636     
- Partials      386      611     +225     

Files	Coverage Δ
ante/ante.go	66.66% <100.00%> (+18.45%)	⬆️
ante/fee.go	80.00% <100.00%> (+1.64%)	⬆️
ante/spam_prevention.go	75.92% <ø> (ø)
app/inflation/inflation.go	100.00% <100.00%> (ø)
app/upgradev3/migrations.go	84.21% <ø> (+5.94%)	⬆️
util/coin/utoken.go	100.00% <100.00%> (ø)
util/ibc/ibc.go	58.82% <ø> (ø)
util/sdkutil/events.go	0.00% <ø> (ø)
util/store/store.go	52.06% <ø> (+10.65%)	⬆️
util/store/unmarshal.go	42.85% <ø> (ø)
... and 40 more

... and 104 files with indirect coverage changes