build: unlock redis version from docker-compose.yml dev file (tagless)� (#810)

Author: filiperochalopes

docker-compose.yml

@@ -10,7 +10,7 @@ services:
     volumes:
       - postgres-data:/var/lib/postgresql/data
   redis:
-    image: bitnami/redis:7.0.12
+    image: bitnami/redis
     restart: "always"
     environment:
       - ALLOW_EMPTY_PASSWORD=yes