Merge branch 'master' of github.com:viscom-ulm/Net2Vis

Author: Alex

backend/requirements.txt

@@ -51,7 +51,7 @@ six==1.15.0
 structlog==21.1.0
 tensorboard==2.4.1
 tensorboard-plugin-wit==1.8.0
-tensorflow==2.5.0
+tensorflow==2.5.1
 tensorflow-estimator==2.4.0
 termcolor==1.1.0
 tinycss2==1.1.0