Update apache stability tag to 4.18.1

Author: wodbot

.env

@@ -99,7 +99,7 @@ OPENSEARCH_ADMIN_PASSWORD=VERY%@bad123password
 ### OTHERS
 
 ADMINER_TAG=5-5.0.4
-APACHE_TAG=2.4-4.18.0
+APACHE_TAG=2.4-4.18.1
 MEMCACHED_TAG=1-2.23.1
 OPENSMTPD_TAG=7-1.29.3
 RSYSLOG_TAG=latest