CI: remove doc-build from pytest workflow, instead run the docs job on PR

Docs upload will only happen on main

.github/workflows/docs.yaml

@@ -1,8 +1,10 @@
 name: Docs Build
 
 on:
+  pull_request:
   push:
-    branches: [ main ]
+    branches:
+      - main
   workflow_dispatch:
 
 permissions:
@@ -47,11 +49,13 @@ jobs:
         continue-on-error: false
 
       - name: Upload Pages artifact
+        if: github.ref == 'refs/heads/main'
         uses: actions/upload-pages-artifact@v3
         with:
           path: docs/_build
 
   deploy:
+    if: github.ref == 'refs/heads/main'
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}

.github/workflows/pytest.yml

@@ -576,5 +576,3 @@ jobs:
       - name: Type-checking with mypy
         shell: bash
         run: uv run poe type-check
-      - name: Make sure documentation builds
-        run: uv run poe doc-build