chore(deps): update mariadb docker digest to eb6a2d3

Change-Id: I189f7133ae65624367062cd2124aeb503c08a462
diff --git a/docker-compose.sample.yml b/docker-compose.sample.yml
index cdf85a0..af7b637 100644
--- a/docker-compose.sample.yml
+++ b/docker-compose.sample.yml
@@ -14,7 +14,7 @@
       - phpsessions:/var/phpsessions
     restart: unless-stopped
   db:
-    image: mariadb@sha256:9da6213d1a5714c4585c9c0003c51510b320d6f60e53d78701fe1e194126249f
+    image: mariadb@sha256:eb6a2d34367b662a6e9c92e8cd112bbadf03ad4627f8eeb8d19f480f8da87fa6
     environment:
       MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
       MARIADB_DATABASE: ${DB_NAME}