support go 1.20

[chengzhinei]

• 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 tests

• Updated relevant documentation (docs/)

• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md

• Reviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge PR #XYZ: [title]" (coding standards)

[codecov-commenter]

Codecov Report

Merging #3137 (2c5e0bf) into dev (b3b958c) will increase coverage by 0.25%.
The diff coverage is 73.51%.

❗ Current head 2c5e0bf differs from pull request most recent head ebfbd45. Consider uploading reports for the commit ebfbd45 to get more accurate results

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@@            Coverage Diff             @@
##              dev    #3137      +/-   ##
==========================================
+ Coverage   35.82%   36.07%   +0.25%     
==========================================
  Files         437      441       +4     
  Lines       46060    46306     +246     
==========================================
+ Hits        16500    16705     +205     
- Misses      28351    28363      +12     
- Partials     1209     1238      +29     

Impacted Files	Coverage Δ
x/evm/txs/base/common.go	17.02% <0.00%> (-0.38%)	⬇️
x/wasm/keeper/contract_keeper.go	55.00% <0.00%> (-6.12%)	⬇️
x/evm/keeper/keeper.go	58.11% <50.00%> (-0.15%)	⬇️
x/vmbridge/types/precompile.go	65.00% <65.00%> (ø)
x/vmbridge/keeper/precompile.go	67.16% <67.16%> (ø)
x/vmbridge/keeper/wasm.go	67.08% <71.42%> (-1.03%)	⬇️
x/evm/types/state_transition.go	64.08% <77.77%> (+0.21%)	⬆️
x/evm/types/statedb_protect.go	78.04% <78.04%> (ø)
app/app.go	81.88% <100.00%> (+0.03%)	⬆️
x/evm/types/abi.go	79.41% <100.00%> (+6.33%)	⬆️
... and 4 more

... and 2 files with indirect coverage changes