GHA - install pandoc

Author: cscheid

.github/workflows/test-suite.yml

@@ -24,6 +24,10 @@ jobs:
       - name: Checkout Repo
         uses: actions/checkout@v4
 
+      - name: Install Pandoc
+        run: sudo apt-get install -y pandoc
+        shell: bash
+
       - name: Build
         run: cargo build
         shell: bash