patch codec

[dudong2]

Closes: #XXX

Description

• replace naming of legacy amino codec and add amino test

NOTE

• the type of evmtypes.MsgEthereumTx.Size_ is float64 that is not supported at aminojson encoder, so I commented MsgEthereumTx test.

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For contributor use:

• 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.
• Code follows the module structure standards.
• 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

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For admin use:

• Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
• Reviewers assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 90.62500% with 3 lines in your changes missing coverage. Please review.

Project coverage is 68.30%. Comparing base (ec14414) to head (4e65c26).

Additional details and impacted files

@@                 Coverage Diff                  @@
##           canto-v8/develop      #10      +/-   ##
====================================================
+ Coverage             68.24%   68.30%   +0.05%     
====================================================
  Files                   116      117       +1     
  Lines                 11210    11240      +30     
====================================================
+ Hits                   7650     7677      +27     
- Misses                 3086     3088       +2     
- Partials                474      475       +1     

Files	Coverage Δ
x/evm/types/codec.go	86.36% <100.00%> (+0.31%)	⬆️
x/feemarket/types/codec.go	50.00% <100.00%> (+4.54%)	⬆️
app/rapidgen.go	89.28% <89.28%> (ø)

[zsystm]

LGTM

[poorphd]

LGTM