Update docs.yml workflow with redirection to sphinx-log.txt

Author: fkdosilovic

.github/workflows/docs.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Build HTML
       uses: ammaraskar/sphinx-action@7.0.0
       with:
-        build-command: "sphinx-multiversion source build/html -e"
+        build-command: "sphinx-multiversion source build/html --keep-going --no-color > sphinx-log.txt"
 
     - name: Upload artifacts
       uses: actions/upload-artifact@v4