Verbose logging to try to see what the Github build failure is about.

Author: aljungberg

.github/workflows/main.yml

@@ -15,7 +15,7 @@ jobs:
         ruby-version: 2.6
         bundler-cache: true
         bundler: 1.17.3
-    - run: bundle exec middleman build
+    - run: bundle exec middleman build --verbose
 
     - name: Push to destination repo
       uses: cpina/github-action-push-to-another-repository@9e487f29582587eeb4837c0552c886bb0644b6b9