Enable social cards (#1691)

.github/workflows/pages.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Python setup
         uses: actions/setup-python@v4
         with:
-          python-version: '3.7'
+          python-version: '3.10'
       
       - name: Cache files
         uses: actions/cache@v3.0.8
@@ -50,6 +50,7 @@ jobs:
       - name: Build website
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CARDS: true
         run: |
           pipenv run mkdocs build --config-file mkdocs.production.yml
           mv .well-known site/
@@ -66,8 +67,6 @@ jobs:
         with:
           path: site
 
-
-
   deploy:
     name: Deploy
     needs: build