[FIX] Allow Uptime Kuma to connect docker host using sock (#2048)

Co-authored-by: Frédéric Cilia <AZR_FCILIA-ext@admin.lvmhpcis.com>

apps/uptime-kuma/config.json

@@ -5,7 +5,7 @@
   "exposable": true,
   "port": 8125,
   "id": "uptime-kuma",
-  "tipi_version": 2,
+  "tipi_version": 3,
   "version": "1",
   "categories": [
     "utilities"

apps/uptime-kuma/docker-compose.yml

@@ -4,6 +4,7 @@ services:
     image: louislam/uptime-kuma:1
     container_name: uptime-kuma
     volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
       - ${APP_DATA_DIR}/data:/app/data
     dns:
       - ${DNS_IP}