chore(stacks): sync generated stacks for renovate update

renovate[bot] · renovate[bot] · commit 8107fc3bff2e · 2026-05-20T00:56:30.000Z
diff --git a/stacks/observability.yml b/stacks/observability.yml
@@ -215,7 +215,7 @@ services:
           memory: 1200M
           cpus: '0.80'
   memcached:
-    image: memcached:1.6.41
+    image: memcached:1.6.42
     environment:
       - MEMCACHED_MAX_MEMORY=64m
       - MEMCACHED_THREADS=2
