ci: Pipeline fix #1

Author: TibixDev

.github/workflows/release.yml

@@ -30,6 +30,7 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y flatpak flatpak-builder
+          flatpak --user remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
           flatpak install -y flathub org.freedesktop.Platform//23.08 org.freedesktop.Sdk//23.08
 
       - name: Install dependencies