feat: show update available notif for modrinth app in linux (#5181)

* feat: show update available notif for modrinth app in linux

* remove changelog button

* update copy

* pnpm prepr

* add restart app changelog

* pnpm prepr

* use env var to check for updates are disabled

* update copy

* pnpm prepr

---------

Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>

apps/app-frontend/src/locales/en-US/index.json

@@ -38,6 +38,9 @@
   "app.update-toast.body.download-complete": {
     "message": "Modrinth App v{version} has finished downloading. Reload to update now, or automatically when you close Modrinth App."
   },
+  "app.update-toast.body.linux": {
+    "message": "Modrinth App v{version} is available. Use your package manager to update for the latest features and fixes!"
+  },
   "app.update-toast.body.metered": {
     "message": "Modrinth App v{version} is available now! Since you're on a metered network, we didn't automatically download it."
   },
@@ -47,6 +50,9 @@
   "app.update-toast.download": {
     "message": "Download ({size})"
   },
+  "app.update-toast.download-page": {
+    "message": "Download"
+  },
   "app.update-toast.downloading": {
     "message": "Downloading..."
   },