update redis to 6.2 in docker-compose

codecov/worker#707 uses an lpop argument that requires Redis 6.2

docker-compose.yml

@@ -60,7 +60,7 @@ services:
       - timescale
 
   redis:
-    image: redis:6-alpine
+    image: redis:6.2-alpine
     volumes:
       - redis-volume:/data
     networks: