Update deploy.yml

Author: jackbergus

.github/workflows/deploy.yml

@@ -82,6 +82,7 @@ jobs:
       - name: Install and Build 🔧
         run: |
           pip3 install --upgrade jupyter
+          sudo apt-get update && sudo apt-get install -y imagemagick 
           export JEKYLL_ENV=production
           bundle exec jekyll build
       - name: Purge unused CSS 🧹