lang/php84: Update version 8.4.19=>8.4.20
- Remove xsltCleanupGlobals call in ext/xsl MSHUTDOWN [1]
Changelog: https://www.php.net/ChangeLog-8.php#8.4.20
PR: 277888
Reported by: wolfgang@lyxys.ka.sub.org
(cherry picked from commit d2c33048b63e2be7534b46f38c7b1bd7fc09a376)