uptime-kuma: Bump version to 2.1.0 (#706)

* Bump version to 2.1.0

* Update meta.json with new version number

blueprints/uptime-kuma/docker-compose.yml

@@ -1,7 +1,7 @@
 version: "3.8"
 services:
   uptime-kuma:
-    image: louislam/uptime-kuma:1.23.15
+    image: louislam/uptime-kuma:2.1.0
     restart: always
     volumes:
       - uptime-kuma-data:/app/data

meta.json

@@ -6270,7 +6270,7 @@
   {
     "id": "uptime-kuma",
     "name": "Uptime Kuma",
-    "version": "1.23.15",
+    "version": "2.1.0",
     "description": "Uptime Kuma is a free and open source monitoring tool that allows you to monitor your websites and applications.",
     "logo": "uptime-kuma.png",
     "links": {