Revise Tests for 2025b Onboarding: PandocMissing

Author: dibryant

.github/workflows/build-notebooks-push.yaml

@@ -30,6 +30,7 @@ jobs:
       has_jobs: ${{ steps.gen.outputs.has_jobs }}
     steps:
       - uses: actions/checkout@v5
+      - uses: jgm/pandoc-action@v2
 
       - name: Determine targets to build (we want to build everything on push)
         run: |