v5.12.4 release notes

• httputil.ParseMultiValuesHeader:
  • Fixed quality value matching not complying with RFC 9110.
  • All segments are now trimmed.
  • The "q" parameter is now case-insensitive.
  • Integer values (no decimal place) are now accepted.
  • Other parameters are now accepted (e.g.: text/html;charset=utf-8;q=0.8).
  • Values having a parameter other than "q" now have a default quality value of 1 instead of 0.
  • Improved performance and slightly reduced memory usage.