fix: test new variable

.github/workflows/build.yml

@@ -22,8 +22,9 @@ jobs:
       run: node _build.js
     - name: Commit
       run: |
+        echo "email: ${{ vars.GH_EMAIL }}"
         git add README.md
-        git config --local user.email "github.com+degoogle-bot@jmoore.dev"
+        git config --local user.email "${{ vars.GH_EMAIL }}"
         git config --local user.name "Degoogle Bot"
         git commit --allow-empty -m "Generated README.md"
     - name: Push