fix: deprecated use of sdkerrors (backport #1788)

[mergify]

This is an automatic backport of pull request #1788 done by Mergify.
Cherry-pick of 37909a3 has failed:

On branch mergify/bp/release/v4.1.x/pr-1788
Your branch is up to date with 'origin/release/v4.1.x'.

You are currently cherry-picking commit 37909a3.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   app/upgrades.go
	modified:   util/checkers/proposal.go
	modified:   x/ibctransfer/keeper/keeper.go
	modified:   x/incentive/msgs.go
	modified:   x/leverage/keeper/exchange_rate.go
	modified:   x/leverage/keeper/keeper.go
	modified:   x/leverage/keeper/token.go
	modified:   x/leverage/types/errors.go
	modified:   x/leverage/types/genesis.go
	modified:   x/leverage/types/msgs.go
	modified:   x/leverage/types/token.go
	modified:   x/oracle/keeper/historic_price.go
	modified:   x/oracle/keeper/keeper.go
	modified:   x/oracle/keeper/msg_server.go
	modified:   x/oracle/types/msgs.go
	modified:   x/oracle/types/msgs_test.go

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   x/incentive/errors.go
	both modified:   x/leverage/keeper/oracle.go
	both modified:   x/oracle/types/errors.go
	deleted by us:   x/uibc/errors.go
	deleted by us:   x/uibc/msg.go
	deleted by us:   x/uibc/quota/ibc_module.go
	deleted by us:   x/uibc/quota/keeper/quota.go
	deleted by us:   x/uibc/quota/keeper/relay.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[toteki]

Should hopefully remove some of the linter problems from the other backports, so they're easier to doublecheck.