remove <vector> header after a refactor from const std::vector<unsigned char>& to Span<const unsigned char>
This PR is related to #19326
remove <vector> header after a refactor from `const std::vector<unsigned char>&` to `Span<const unsigned char>`
This commit is related to #19326
<!--e57a25ab6845829454e8d69fc972939a-->
The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.
<!--006a51241073e994b41acfe9ec718e94-->
For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/35934.
<!--021abf342d371248e50ceaed478a90ca-->
See the guideline and AI policy for information on the review process. A summary of reviews will appear here.
<!--5faf32d7da4f0f540f40219e4f7537a3-->
Thank you for the contribution. However, this and similar issues are expected to be addressed as part of the ongoing effort to apply the IWYU tool across the entire codebase.
See the Developer Notes and related PRs.