Update Cosmos to v0.42.7

[RiccardoM]

Description

This PR updates the Cosmos SDK to v0.42.7. Closes #550

Checklist

• Targeted PR against correct branch.
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Wrote unit tests.
• Wrote integration tests (simulation & CLI).
• Updated the documentation.
• Added an entry to the CHANGELOG.md file.
• Re-reviewed Files changed in the Github PR explorer.

[codecov]

Codecov Report

Merging #551 (5985a77) into master (16e1eeb) will increase coverage by 7.08%.
The diff coverage is 72.04%.

@@            Coverage Diff             @@
##           master     #551      +/-   ##
==========================================
+ Coverage   75.59%   82.67%   +7.08%     
==========================================
  Files          94       91       -3     
  Lines        4519     5426     +907     
==========================================
+ Hits         3416     4486    +1070     
+ Misses        960      738     -222     
- Partials      143      202      +59     

Impacted Files	Coverage Δ
app/desmos/cmd/root.go	0.00% <0.00%> (ø)
x/commons/commons.go	100.00% <ø> (ø)
x/profiles/keeper/msg_server_app_link.go	0.00% <0.00%> (ø)
x/profiles/keeper/relay_app_links.go	95.31% <ø> (ø)
x/profiles/keeper/relay_chain_links.go	87.09% <ø> (+0.43%)	⬆️
x/profiles/simulation/decoder.go	63.15% <ø> (-28.85%)	⬇️
x/profiles/types/account.go	57.04% <ø> (+5.63%)	⬆️
x/profiles/types/codec.go	100.00% <ø> (ø)
x/profiles/types/genesis.go	95.74% <ø> (+9.53%)	⬆️
x/profiles/types/models_app_links.go	92.38% <ø> (ø)
... and 134 more

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