Update license headers / Format codes

[vdaas-ci]

Update license headers / Format Go codes and YAML files.

[cloudflare-workers-and-pages[bot]]

Deploying with    Cloudflare Pages

Latest commit:	0e9a858
Status:	✅  Deploy successful!
Preview URL:	https://266e0265.vald.pages.dev
Branch Preview URL:	https://formatter-go-and-yaml-format-1aii.vald.pages.dev

View logs

[vdaas-ci]

[CHATOPS:HELP] ChatOps commands.

• :ok_woman: /approve - approve
• :love_letter: /changelog - replace the PR body by changelog details
• :bento: /format - format codes and add licenses
• :white_check_mark: /gen-test - generate test codes
• :label: /label - add labels
• :rewind: /rebase - rebase main
• :end: :two: :end: /label actions/e2e-deploy - run E2E deploy & integration test

[vdaas-ci]

[WARNING:INTCFG] Changes in interal/config may require you to change Helm charts. Please check.

[codecov[bot]]

Codecov Report

Merging #1765 (0e9a858) into main (f3613cb) will increase coverage by 0.24%. The diff coverage is 3.29%.

@@            Coverage Diff             @@
##             main    #1765      +/-   ##
==========================================
+ Coverage   31.36%   31.60%   +0.24%     
==========================================
  Files         378      376       -2     
  Lines       32382    32231     -151     
==========================================
+ Hits        10156    10186      +30     
+ Misses      21836    21650     -186     
- Partials      390      395       +5     

Impacted Files	Coverage Δ
hack/license/gen/main.go	0.00% <ø> (ø)
internal/circuitbreaker/breaker.go	0.00% <0.00%> (ø)
internal/circuitbreaker/counter.go	0.00% <0.00%> (ø)
internal/circuitbreaker/manager.go	0.00% <0.00%> (ø)
internal/circuitbreaker/state.go	0.00% <0.00%> (ø)
internal/circuitbreaker/tripper.go	0.00% <0.00%> (ø)
internal/config/circuitbreaker.go	0.00% <0.00%> (ø)
internal/config/grpc.go	87.89% <0.00%> (-12.11%)	:arrow_down:
internal/config/ngt.go	100.00% <ø> (ø)
internal/config/observability.go	100.00% <ø> (ø)
... and 32 more

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