Bump the python group with 2 updates

Bumps the python group with 2 updates: [tf-nightly[and-cuda]](https://github.com/tensorflow/tensorflow) and [tf-nightly-cpu](https://github.com/tensorflow/tensorflow).


Updates `tf-nightly[and-cuda]` from 2.16.0.dev20231221 to 2.16.0.dev20231227
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](https://github.com/tensorflow/tensorflow/commits)

Updates `tf-nightly-cpu` from 2.16.0.dev20231221 to 2.16.0.dev20231227
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](https://github.com/tensorflow/tensorflow/commits)

---
updated-dependencies:
- dependency-name: tf-nightly[and-cuda]
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
- dependency-name: tf-nightly-cpu
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements-jax-cuda.txt

@@ -1,5 +1,5 @@
 # Tensorflow cpu-only version.
-tf-nightly-cpu==2.16.0.dev20231221  # Pin a working nightly until rc0.
+tf-nightly-cpu==2.16.0.dev20231227  # Pin a working nightly until rc0.
 
 # Torch cpu-only version.
 --extra-index-url https://download.pytorch.org/whl/cpu

requirements-tensorflow-cuda.txt

@@ -1,6 +1,6 @@
 # Tensorflow with cuda support.
 --extra-index-url https://pypi.nvidia.com
-tf-nightly[and-cuda]==2.16.0.dev20231221  # Pin a working nightly until rc0.
+tf-nightly[and-cuda]==2.16.0.dev20231227  # Pin a working nightly until rc0.
 
 # Torch cpu-only version.
 --extra-index-url https://download.pytorch.org/whl/cpu

requirements-torch-cuda.txt

@@ -1,5 +1,5 @@
 # Tensorflow cpu-only version.
-tf-nightly-cpu==2.16.0.dev20231221  # Pin a working nightly until rc0.
+tf-nightly-cpu==2.16.0.dev20231227  # Pin a working nightly until rc0.
 
 # Torch with cuda support.
 --extra-index-url https://download.pytorch.org/whl/cu118

requirements.txt

@@ -1,5 +1,5 @@
 # Tensorflow.
-tf-nightly-cpu==2.16.0.dev20231221  # Pin a working nightly until rc0.
+tf-nightly-cpu==2.16.0.dev20231227  # Pin a working nightly until rc0.
 
 # Torch.
 --extra-index-url https://download.pytorch.org/whl/cpu