Error return value of `s.Write` is not checked (errcheck)

Error return value of `s.Write` is not checked (errcheck)

printf: non-constant format string in call to fmt.Printf (govet)

printf: non-constant format string in call to fmt.Errorf (govet)

printf: non-constant format string in call to (*testing.common).Fatalf (govet)

printf: non-constant format string in call to (*testing.common).Fatalf (govet)

SA1006: printf-style function with dynamic format string and no further arguments should use print-style function instead (staticcheck)

issues found

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/setup-go@v4, actions/checkout@v3, technote-space/get-diff-action@v6.1.2, golangci/golangci-lint-action@v3.6.0. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/