lang/php84: Update version 8.4.20=>8.4.21
- Optionize JIT. JIT for opcache has been disabled by default. Make it and option to conditionally depend on capstone [1]
Changelog: https://www.php.net/ChangeLog-8.php#8.4.21
PR: 294233 [1]
Reported by: chris@chrullrich.net [1]
MFH: 2026Q2