p5-HTML-Parser: update to 3.75.

3.75      2020-08-30
  * Cleanup the prereqs a bit
  * Mark HTML::Filter as deprecated as the docs point out
  * Move Parser.pm into the lib directory with the others. This will help
    with everything from auto version bumps after releases, to scanning for
    prerequisites and spelling errors.
  * Fix a few spelling errors in the POD for HTML::Parser
  * Clean up the spacing on many examples in HTML::Parser

3.74      2020-08-30
  * Fix the order of date and version in this change log. (Thanks, haarg)
  * Convert to Dist::Zilla
  * Build all prereqs from our cpanfile
  * Go through all test files and:
    * perltidy
    * Use strict/warnings
    * Get rid of two-arg open
    * Get rid of BAREWORD filehandles
    * Fix the eval pattern used
    * Only use -w where we catch $SIG{__WARN__}
    * Fix encoding problems
    * use utf8 where we have unicode in the source
  * Fix a typo here and there
  * perltidy all of the example apps in eg/
  * Add comments explaining the apps in eg/ (GH#13 Thanks, Salvatore Bonaccorso)
  * Print out UTF-8 encoded data where sensible in eg/

3.73    2020-08-24
  * Cleaned up this changes log.
  * Added a .mailmap file to organize contributions accurately.
  * Ensure all versions are equal and on the current version
  * Add the .mailmap to the MANIFEST
  * Change the META information to point to the new GH repository
  * Add a .perltidyrc to use going forward
  * Add hctype.h and pfunc.h to the dist as static files and stop asking
    for them to be built on the user's end.
  * Remove t/pod.t from userland testing
  * Remove t/pod-coverage.t from userland testing
  * Clean up the MANIFEST
  * Start testing via GitHub Actions/Workflows
  * Protect active parser from being freed (PR 13, RT #115034)

(wiz)