install libvte in CI

Author: ranfdev

.github/workflows/flatpak.yml

@@ -22,6 +22,7 @@ jobs:
       - name: Install Flatpak & Builder
         run: |
           sudo apt-get update
+          sudo apt-get install libvte-2.91-gtk4-0 libvte-2.91-gtk4-dev
           sudo apt-get install -y flatpak flatpak-builder
 
       - name: Add Flathub remote