Changed how firefox is set up in integration.yml

Author: jecarr

.github/workflows/integration.yml

@@ -23,7 +23,15 @@ jobs:
     - name: Install Ubuntu packages
       run: |
         sudo ./utils/searx.sh install packages
-        sudo apt install firefox
+        # Use APT Firefox rather than Snap
+        sudo add-apt-repository -y ppa:mozillateam/ppa
+        echo '
+        Package: *
+        Pin: release o=LP-PPA-mozillateam
+        Pin-Priority: 1001
+        ' | sudo tee /etc/apt/preferences.d/mozilla-firefox
+        sudo apt-get update
+        sudo apt-get install -y firefox
     - name: Set up Python
       uses: actions/setup-python@v2
       with: