chore(deps): update ghost docker tag to v5.51.0 (#690)

* chore(deps): update ghost docker tag to v5.51.0

* Update app version

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: github-action update-app-version <githubaction@githubaction.com>

apps/ghost/config.json

@@ -5,9 +5,12 @@
   "available": true,
   "exposable": true,
   "id": "ghost",
-  "tipi_version": 22,
-  "version": "5.49.3",
-  "categories": ["social", "media"],
+  "tipi_version": 23,
+  "version": "5.51.0",
+  "categories": [
+    "social",
+    "media"
+  ],
   "description": "Ghost is a powerful app for new-media creators to publish, share, and grow a business around their content. It comes with modern tools to build a website, publish content, send newsletters & offer paid subscriptions to members.",
   "short_desc": "Ghost - Turn your audience into a business.",
   "author": "TryGhost",

apps/ghost/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.9"
 
 services:
   ghost:
-    image: ghost:5.49.3
+    image: ghost:5.51.0
     container_name: ghost
     depends_on:
       - ghostdb