Bump halo version to 2.6.0 (#97)

halo/2.6.0/docker-compose.yml

@@ -1,7 +1,7 @@
 version: "3"
 services:
   halo:
-    image: halohub/halo:2.5.2
+    image: halohub/halo:2.6.0
     container_name: ${CONTAINER_NAME}
     restart: always
     networks:

halo/README.md

@@ -8,7 +8,7 @@ docker run \
   --name halo \
   -p 8090:8090 \
   -v ~/.halo2:/root/.halo2 \
-  halohub/halo:2.2 \
+  halohub/halo:2.6.0 \
   --halo.external-url=http://localhost:8090/ \
   --halo.security.initializer.superadminusername=admin \
   --halo.security.initializer.superadminpassword=P@88w0rd