docs: revert change to say only notebook<7 is supported

consideRatio · consideRatio · commit 902b9d43553d · 2023-04-16T11:02:38.000+02:00
diff --git a/README.md b/README.md
@@ -54,7 +54,7 @@ Server via the container.
 
 ### Requirements
 
-Either `jupyterlab>=3` or `notebook<7` is required.
+Either `jupyterlab>=3` or `notebook` is required.
 
 ### Python package
 
