Increase max commissions in paua upgrade

[SpicyLemon]

Description

Update the paua and paua-rc1 upgrades to bump all validator's max commission to 100%.

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Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer
• Review Codecov Report in the comment section below once CI passes

[codecov]

Codecov Report

Merging #1333 (2126c4e) into main (4de3528) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1333      +/-   ##
==========================================
- Coverage   59.02%   59.00%   -0.03%     
==========================================
  Files         196      196              
  Lines       24719    24729      +10     
==========================================
  Hits        14591    14591              
- Misses       9036     9046      +10     
  Partials     1092     1092              

Impacted Files	Coverage Δ
app/upgrades.go	5.64% <0.00%> (-0.50%)	⬇️