Bump the tensorflow group in /tensorflow with 2 updates

Bumps the tensorflow group in /tensorflow with 2 updates: [jupyterhub](https://github.com/jupyterhub/jupyterhub) and [numpy](https://github.com/numpy/numpy).


Updates `jupyterhub` from 5.1.0 to 5.2.0
- [Changelog](https://github.com/jupyterhub/jupyterhub/blob/main/RELEASE.md)
- [Commits](jupyterhub/jupyterhub@5.1.0...5.2.0)

Updates `numpy` from 2.1.1 to 2.1.2
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](numpy/numpy@v2.1.1...v2.1.2)

---
updated-dependencies:
- dependency-name: jupyterhub
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: tensorflow
- dependency-name: numpy
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: tensorflow
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

tensorflow/jupyter-requirements.txt

@@ -1,4 +1,4 @@
 jupyterlab>=4.2.4
-jupyterhub==5.1.0
+jupyterhub==5.2.0
 notebook>=7.1.3
 jupyter-server-proxy>=4.1.2

tensorflow/serving/requirements.txt

@@ -1,4 +1,4 @@
-numpy==2.1.1
+numpy==2.1.2
 pillow==10.4.0
 requests==2.32.3
 tensorflow==2.17.0