Bump jupyterlab from 4.5.7 to 4.5.9 in /samples/python

---
updated-dependencies:
- dependency-name: jupyterlab
  dependency-version: 4.5.9
  dependency-type: direct:production
...

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Author: dependabot[bot]

samples/python/requirements.txt

@@ -3,4 +3,4 @@ numpy==1.26.3
 pyopencl==2023.1.4
 pillow==12.2.0
 
-jupyterlab==4.5.7
+jupyterlab==4.5.9