Non-inherited new context, use function like `context.WithXXX` instead (contextcheck)

directive `//nolint: unconvert` is unused for linter "unconvert" (nolintlint)

issues found

The following actions use a deprecated Node.js version and will be forced to run on node20: step-security/harden-runner@8ca2b8b2ece13480cda6dacd3511b49857a23c09, actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe, actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab, golangci/golangci-lint-action@3a919529898de77ec3da873e3063ca4b10e7f5cc. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/