bump golang 1.20.3 on main

[MinerYang]

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Comprehensive Summary of your change

Issue being fixed

Fixes #(issue)

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• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
• Accepted the DCO. Commits without the DCO will delay acceptance.
• Made sure tests are passing and test coverage is added if needed.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed in website repository.

[codecov]

Codecov Report

Merging #18492 (77f1a80) into main (cbf0a86) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #18492      +/-   ##
==========================================
- Coverage   67.39%   67.38%   -0.01%     
==========================================
  Files         984      984              
  Lines      106980   106980              
  Branches     2670     2670              
==========================================
- Hits        72095    72090       -5     
- Misses      31003    31011       +8     
+ Partials     3882     3879       -3     

Flag	Coverage Δ
unittests	67.38% <ø> (-0.01%)	⬇️

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see 6 files with indirect coverage changes

[wy65701436]

lgtm