Merge pull request #31 from dgerosa/dgerosa-patch-2

Update docs.yml

Author: dgerosa

.github/workflows/docs.yml

@@ -24,7 +24,7 @@ jobs:
         cd utils
         jupyter nbconvert --to notebook --execute examples.ipynb
         nb2plots examples.nbconvert.ipynb > examples.rst
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: examples.rst
         path: utils/examples.rst
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         name: examples.rst
         path: docs