Lint issue in headers|helpers|proxy package

internal/headers/headers.go:10: internal/headers/headers.go:10: Line contains TODO/BUG/FIXME/NOTE/OPTIMIZE/HACK: "Fixme: Go back to 512 bytes once https:/..." (godox)
internal/helper/exception/exception.go:11:14: SA1019: "gitlab.com/gitlab-org/labkit/correlation/raven" is deprecated: Use gitlab.com/gitlab-org/labkit/errortracking instead. (staticcheck)
internal/helper/exception/exception.go:36:11: SA1019: correlation.SetExtra is deprecated: Use gitlab.com/gitlab-org/labkit/errortracking instead. (staticcheck)
internal/httprs/httprs_test.go:13:2: dot-imports: should not use dot imports (revive)
internal/proxy/proxy.go:142:14: SA6002: argument should be pointer-like to avoid allocations (staticcheck)