Update opensmtpd stability tag to 1.27.2

Author: wodbot

.env

@@ -101,7 +101,7 @@ POSTGRES_TAG=18-1.38.1
 ADMINER_TAG=5-5.0.1
 APACHE_TAG=2.4-4.17.0
 MEMCACHED_TAG=1-2.21.2
-OPENSMTPD_TAG=7-1.27.1
+OPENSMTPD_TAG=7-1.27.2
 RSYSLOG_TAG=latest
 SELENIUM_CHROME_TAG=3.141
 WEBGRIND_TAG=1-1.43.0