fix(http/unstable): sync HEADER const with IANA registry - #6991

fix(http/unstable): sync HEADER const with IANA registry#6991

tomas-zijdemans wants to merge 2 commits into

denoland:maindenoland/std:mainfrom

tomas-zijdemans:http-headerstomas-zijdemans/std_cb:http-headersCopy head branch name to clipboard