Update flatpak GTK4 to latest git master

pkgs/flatpak/build.sh

@@ -1,7 +0,0 @@
-#!/bin/bash
-
-rm -f com.github.rafostar.Clapper.flatpak
-rm -rf build; mkdir build
-rm -rf repo; mkdir repo
-
-flatpak-builder --ccache --force-clean --default-branch=test build com.github.rafostar.Clapper.yml --repo=repo

pkgs/flatpak/lib/gtk4.json

@@ -5,18 +5,18 @@
         "--wrap-mode=nofallback",
         "-Dwin32-backend=false",
         "-Dmacos-backend=false",
-        "-Dprint=none",
-        "-Dintrospection=true",
+        "-Dmedia-ffmpeg=disabled",
+        "-Dprint-cups=disabled",
+        "-Dprint-cloudprint=disabled",
+        "-Dintrospection=enabled",
         "-Ddemos=false",
-        "-Dbuild-examples=false",
-        "-Dbuild-tests=false"
+        "-Dbuild-examples=false"
     ],
     "sources": [
         {
             "type": "git",
             "url": "https://gitlab.gnome.org/GNOME/gtk.git",
-            "tag": "3.99.2",
-            "commit": "218b905a88c044cc43349c7c1d44127c606d964d"
+            "commit": "53cd499621b5f55df658725fb4f83d365a1319ad"
         }
     ]
 }