New Feature: Improve semantic of HTML Templates (autocomplete, spell jacking)

       [FEATURE] Add type and autocomplete information to input fields - thx to Oliver Klee
       [TASK] Use semantic HTML for tables in the emails - thx to Oliver Klee
       [TASK] Improve the code formatting of additional input attributes - thx to Oliver Klee
       [TASK] Apply the latest Rector fixes for TYPO3 11LTS  - thx to Oliver Klee
       [TASK] Mitigate browser "spell jacking" in form elements- thx to Patrick Lenk
       [TASK] Add autocomplete attribute to password fields - thx to Patrick Lenk
       [TASK] Switch to PHP-based Documentation Rendering - thx to Sandra Erbel
       [BUGFIX] Avoid deprecated PHP function utf8_decode - thx to Oliver Klee
       [BUGFIX] Add missing scope - thx to Stefan Busemann (in2code)
       [BUGFIX] Add missing if clause in UserProperties.html - thx to Sandra Erbel
       [BUGFIX] Use specific seleniarm image for behat tests - thx to Stefan Busemann (in2code)
       [BUGFIX] Restore email notification to admin after registration - thx to Patrick Lenk
       [BUGFIX] Fix composer script calls in the test:rector:fix script  - thx to Oliver Klee
       [BUGFIX] Fix the Rector PHP target version - thx to Oliver Klee
       [BUGFIX] Allow the PHPStan extension installer for Composer - thx to Oliver Klee