GHA - install good version of pandoc

Author: cscheid

.github/workflows/test-suite.yml

@@ -25,7 +25,9 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Pandoc
-        run: sudo apt-get install -y pandoc
+        run: | 
+          curl -LO https://github.com/jgm/pandoc/releases/download/3.7.0.2/pandoc-3.7.0.2-1-amd64.deb
+          sudo dpkg -i pandoc-3.7.0.2-1-amd64.deb
         shell: bash
 
       - name: Build