Update redis Docker tag to v5.0.14

Author: renovate[bot]

mqtt/edgex/docker-compose.yml

@@ -66,7 +66,7 @@ services:
       - EDGEX_SECURE=false
 
   redis:
-    image: redis:5.0.8-alpine
+    image: redis:5.0.14-alpine
     ports:
       - "127.0.0.1:16379:6379"
     container_name: edgex-redis