Update getmeili/meilisearch Docker tag to v1.8

Author: renovate[bot]

docker-compose.yml

@@ -47,7 +47,7 @@ services:
       NEO4J_AUTH: neo4j/password
 
   meilisearch:
-    image: getmeili/meilisearch:v1.0@sha256:dd8162da4cebbdec1ab6176754cff941b04427e7f8df532896a920ec3d292d8a
+    image: getmeili/meilisearch:v1.8@sha256:9fdc66de6423a78863e1cf8627d1743317275df3abae2758d0e9b8b0ae1777a3
     ports:
       - target: 7700
         published: 7700