fix: autotest - try to pin down pip versions

.github/workflows/autotest.yml

@@ -28,7 +28,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -U coverage pytest pytest-mock freezegun
-          pip install 'pygit2<1' 'libvirt-python<6.3' 'feedparser<6' || true
+          pip install 'pygit2<1' 'libvirt-python<6.3' 'feedparser<6' 'power<1.4' || true
           pip install $(cat requirements/modules/*.txt | cut -d ' ' -f 1 | sort -u)
       - name: Install Code Climate dependency
         run: |