Merge pull request #1195 from gibiansky/dependabot/pip/notebook-6.1.5

build(deps): bump notebook from 6.0.3 to 6.1.5

requirements.txt

@@ -7,4 +7,4 @@ jupyter-client==6.1.3
 jupyter-console==6.1.0
 jupyter-core==4.6.3
 nbconvert==5.6.1
-notebook==6.0.3
+notebook==6.1.5