package/apache: security bump version to 2.4.64
Fixes CVE-2025-53020, CVE-2025-49812, CVE-2025-49630, CVE-2025-23048,
CVE-2024-47252, CVE-2024-43394, CVE-2024-43204 & CVE-2024-42516.
Changelog: https://downloads.apache.org/httpd/CHANGES_2.4.64
Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Julien Olivain <ju.o@free.fr>