bump golang 1.21.5 & fix golangci-lint error

[MinerYang]

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Comprehensive Summary of your change

Issue being fixed

#19719

Please indicate you've done the following:

• 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 #19722 (800c5b0) into main (5f828ea) will increase coverage by 0.00%.
The diff coverage is 60.16%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #19722   +/-   ##
=======================================
  Coverage   67.55%   67.55%           
=======================================
  Files         991      991           
  Lines      109175   109168    -7     
  Branches     2719     2719           
=======================================
  Hits        73752    73752           
+ Misses      31456    31448    -8     
- Partials     3967     3968    +1     

Flag	Coverage Δ
unittests	67.55% <60.16%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
src/common/security/secret/context.go	93.75% <100.00%> (ø)
src/common/utils/uaa/fake_client.go	94.00% <100.00%> (ø)
src/controller/artifact/annotation/v1alpha1.go	64.81% <100.00%> (ø)
src/controller/artifact/processor/chart/chart.go	61.76% <100.00%> (ø)
src/controller/artifact/processor/cnab/cnab.go	58.06% <100.00%> (ø)
src/controller/artifact/processor/default.go	54.76% <100.00%> (ø)
src/controller/artifact/processor/image/index.go	69.23% <100.00%> (ø)
...controller/artifact/processor/image/manifest_v1.go	69.56% <100.00%> (ø)
...controller/artifact/processor/image/manifest_v2.go	71.21% <100.00%> (ø)
src/controller/artifact/processor/wasm/wasm.go	66.21% <100.00%> (ø)
... and 117 more

... and 4 files with indirect coverage changes

[wy65701436]

lgtm