Bump Flatpak's Gnome from 47 to 48 and require libadwaita 1.5 at least

Author: radare

.github/workflows/build.yml

@@ -64,7 +64,7 @@ jobs:
   build-flatpak:
     runs-on: ubuntu-24.04
     container:
-      image: bilelmoussaoui/flatpak-github-actions:gnome-47
+      image: bilelmoussaoui/flatpak-github-actions:gnome-48
       options: --privileged
     steps:
       - uses: actions/checkout@v6

.github/workflows/release.yml

@@ -42,7 +42,7 @@ jobs:
   build-flatpak:
     runs-on: ubuntu-24.04
     container:
-      image: bilelmoussaoui/flatpak-github-actions:gnome-47
+      image: bilelmoussaoui/flatpak-github-actions:gnome-48
       options: --privileged
     steps:
       - uses: actions/checkout@v6

dist/flatpak/org.deltachat.Gnome.json

@@ -1,7 +1,7 @@
 {
     "id": "org.deltachat.Gnome",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "47",
+    "runtime-version": "48",
     "sdk": "org.gnome.Sdk",
     "command": "deltachat-gnome",
     "finish-args": [

meson.build

@@ -7,7 +7,7 @@ deps = [
   dependency('glib-2.0'),
   dependency('gio-2.0'),
   dependency('gtk4'),
-  dependency('libadwaita-1', version: '>= 1.0'),
+  dependency('libadwaita-1', version: '>= 1.5'),
   dependency('json-glib-1.0'),
 ]