flatpak: bump runtime version to 47

Gnome 47 has been released a while ago

Author: anarsoul

.github/workflows/build_all.yml

@@ -64,7 +64,7 @@ jobs:
   flatpak:
     name: "Flatpak"
     container:
-      image: ghcr.io/flathub-infra/flatpak-github-actions:gnome-46
+      image: ghcr.io/flathub-infra/flatpak-github-actions:gnome-47
       options: --privileged
       volumes:
         - /usr/local/lib/android:/usr/local/lib/android

flatpak/io.github.softfever.OrcaSlicer.yml

@@ -1,6 +1,6 @@
 app-id: io.github.softfever.OrcaSlicer
 runtime: org.gnome.Platform
-runtime-version: "46"
+runtime-version: "47"
 sdk: org.gnome.Sdk
 command: entrypoint
 separate-locales: true