use script to install dependencies again

.github/workflows/deploy.yml

@@ -13,11 +13,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Install dependencies
-        run: |
-          wget https://github.com/jgm/pandoc/releases/download/2.2.2.1/pandoc-2.2.2.1-1-amd64.deb -O /tmp/pandoc.deb
-          sudo dpkg -i /tmp/pandoc.deb
-          wget https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz -O /tmp/wkhtml.tar.xz
-          sudo tar -xf /tmp/wkhtml.tar.xz --strip-components=1 -C /usr/local
+        run: bin/install_dependencies.sh
 
       - name: Run the PDF compilation process
         run: bin/build.sh