Add pygments to Python dependencies installation

Author: LeafCreeper

.github/workflows/export.yml

@@ -30,7 +30,7 @@ jobs:
           python-version: "3.12"
 
       - name: Install Python dependencies
-        run: pip install markdown pillow requests
+        run: pip install markdown pillow requests pygments
 
       - name: Install PDF dependencies
         if: inputs.export_pdf == true