Revert "ci: Drop QtWebKit"

This reverts commit 00ee3fad34.

.github/workflows/ci.yml

@@ -83,11 +83,13 @@ jobs:
       fail-fast: false
       matrix:
         image:
+          - archlinux-webkit
           - archlinux-webengine
           # - archlinux-webengine-unstable
     container:
       image: "qutebrowser/ci:${{ matrix.image }}"
       env:
+        QUTE_BDD_WEBENGINE: "${{ matrix.image != 'archlinux-webkit' }}"
         DOCKER: "${{ matrix.image }}"
         CI: true
         PYTEST_ADDOPTS: "--color=yes"

scripts/dev/ci/docker/Dockerfile.j2

@@ -9,8 +9,7 @@ RUN pacman -Suyy --noconfirm \
     python-distlib \
     qt5-base \
     qt5-declarative \
-    qt5-webengine \
-    python-pyqtwebengine \
+    {% if webengine %}qt5-webengine python-pyqtwebengine{% else %}qt5-webkit{% endif %} \
     python-pyqt5 \
     xorg-xinit \
     xorg-server-xvfb \

scripts/dev/ci/docker/generate.py

@@ -31,8 +31,9 @@ def main():
 
     image = sys.argv[1]
     config = {
-        'archlinux-webengine': {'unstable': False},
-        'archlinux-webengine-unstable': {'unstable': True},
+        'archlinux-webkit': {'webengine': False, 'unstable': False},
+        'archlinux-webengine': {'webengine': True, 'unstable': False},
+        'archlinux-webengine-unstable': {'webengine': True, 'unstable': True},
     }[image]
 
     with open('Dockerfile', 'w') as f: