bump golang 1.20.6 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 #19066 (b053d1e) into main (39ec1e4) will decrease coverage by 3.21%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #19066      +/-   ##
==========================================
- Coverage   70.58%   67.38%   -3.21%     
==========================================
  Files         748      992     +244     
  Lines       95349   108753   +13404     
  Branches        0     2750    +2750     
==========================================
+ Hits        67305    73281    +5976     
- Misses      24416    31541    +7125     
- Partials     3628     3931     +303     

Flag	Coverage Δ
unittests	67.38% <ø> (-3.21%)	⬇️

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see 252 files with indirect coverage changes

[wy65701436]

lgtm