Return to separate build/deploy jobs. Run deploy even on failure

.github/workflows/publish.yml

@@ -11,14 +11,6 @@ jobs:
   build:
     name: Build Jupyter Book
     runs-on: ubuntu-latest
-    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
-    permissions:
-      pages: write      # to deploy to Pages
-      id-token: write   # to verify the deployment originates from an appropriate source
-    # Deploy to the github-pages environment
-    environment:
-        name: github-pages
-        url: ${{ steps.deployment.outputs.page_url }}
     steps:
       # Set up the execution environment
       - name: Checkout repository
@@ -40,15 +32,29 @@ jobs:
           conda run -n bookbuilder \
             pytest --numprocesses auto --nbmake --overwrite --nbmake-kernel=igrf notebooks/*.ipynb
       - name: Build jupyter book
-        id: build-book
-        if: always()
+        if: success() || failure()
         shell: bash -el {0}
         run: conda run -n bookbuilder jupyter-book build .
-      # Push the resulting html to GitHub Pages
       - name: Upload artifact to pass to GitHub Pages
+        if: success() || failure()
         uses: actions/upload-pages-artifact@v3
         with:
           path: _build/html
+  deploy:
+    name: Deploy to GitHub Pages
+    needs: build
+    if: success() || failure()
+    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
+    permissions:
+        pages: write      # to deploy to Pages
+        id-token: write   # to verify the deployment originates from an appropriate source
+    # Deploy to the github-pages environment
+    environment:
+        name: github-pages
+        url: ${{ steps.deployment.outputs.page_url }}
+    # Specify runner + deployment step
+    runs-on: ubuntu-latest
+    steps:
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4