apache-php: version up 7.4

version up also for some dependencies

component/apache-php/buildout.cfg

@@ -26,6 +26,7 @@ extends =
   ../libnsl/buildout.cfg
   ../libsodium/buildout.cfg
   ../sqlite3/buildout.cfg
+  ../gmp/buildout.cfg
   ../oniguruma/buildout.cfg
   ../xz-utils/buildout.cfg
 
@@ -91,6 +92,7 @@ configure-options =
   --with-ldap=${openldap:location}
   --with-mysqli=mysqlnd
   --with-openssl=${openssl:location}
+  --with-gmp=${gmp:location}
   --with-pdo-mysql=mysqlnd
   --with-sodium=${libsodium:location}
   --with-zip