Update memcached.properties

Author: jwaisner

modules/memcached.properties

@@ -8,3 +8,4 @@
 1.6.32 = https://github.com/Bearsampp/modules-untouched/releases/download/memcached-2024.12.1/memcached-x64-tls.7z
 1.6.33 = https://github.com/Bearsampp/modules-untouched/releases/download/memcached-2024.12.23/memcached-x64-tls.7z
 1.6.36 = https://github.com/Bearsampp/modules-untouched/releases/download/MemcacheD-2025.2.11/memcached-1.6.36.zip
+1.6.38 = https://github.com/Bearsampp/modules-untouched/releases/download/memcached-2025.4.19/memcached-1.6.38.zip