chore!: change ethermint dependency to evmos repo

[mtsitrin]

Description

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Closes #XXX

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow-up issues.

PR review checkboxes:

I have...

• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Targeted PR against the correct branch
• included the correct type prefix in the PR title
• Linked to the GitHub issue with discussion and accepted design
• Targets only one GitHub issue
• Wrote unit and integration tests
• Wrote relevant migration scripts if necessary
• All CI checks have passed
• Added relevant godoc comments

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For Reviewer:

• Confirmed the correct type prefix in the PR title
• Reviewers assigned
• Confirmed all author checklist items have been addressed

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After reviewer approval:

• In case the PR targets the main branch, PR should not be squash merge in order to keep meaningful git history.
• In case the PR targets a release branch, PR must be rebased.

[codecov]

Codecov Report

Attention: 28 lines in your changes are missing coverage. Please review.

Comparison is base (9c1be1f) 30.87% compared to head (940ae88) 31.07%.

Files	Patch %	Lines
app/ante/handlers.go	25.00%	24 Missing ⚠️
app/ante/ante_options.go	0.00%	2 Missing and 1 partial ⚠️
app/ante/ante.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #512      +/-   ##
==========================================
+ Coverage   30.87%   31.07%   +0.20%     
==========================================
  Files         166      165       -1     
  Lines       25383    25221     -162     
==========================================
+ Hits         7836     7837       +1     
+ Misses      16299    16135     -164     
- Partials     1248     1249       +1     

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[mtsitrin]

Blocked by
dymensionxyz/evmos#19
dymensionxyz/evmos#16