[ci] Fix appstream

Signed-off-by: x7z4w <x7z4w@noreply.codeberg.org>

.forgejo/workflows/appstream-check.yaml

@@ -21,11 +21,12 @@ jobs:
       - name: Install appstream validator and flatpak Builder
         shell: bash
         run: |
-          sudo apt update -y
+          apt-get update
-          sudo apt install -y \
+          apt-get install -y flatpak dbus --no-install-recommends
-              flatpak
+          mkdir /run/dbus
-          sudo flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
+          dbus-daemon --system
-          sudo flatpak install -y org.flatpak.Builder
+          flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
+          flatpak install -y org.flatpak.Builder
 
       - name: Lint appstream data with flatpak Builder
         shell: bash