further refine the github workflow to always upload the err logs to capture warnings

Author: liamjberrisford

.github/workflows/build-book.yml

@@ -33,12 +33,11 @@ jobs:
     - name: Build the book
       run: |
         jupyter-book build .
-      continue-on-error: true
 
-    # Upload error logs if build fails
+    # Always upload logs, even if build succeeds
     - name: Upload error logs
-      if: failure()  # This will only run if the previous step fails
       uses: actions/upload-artifact@v3
       with:
         name: error-logs
         path: _build/html/reports/pathways/related_courses.err.log
+      continue-on-error: true