Bump keras-nightly from 2.5.0.dev2021032900 to 3.7.0.dev2024102803

Bumps [keras-nightly](https://github.com/keras-team/keras) from 2.5.0.dev2021032900 to 3.7.0.dev2024102803.
- [Release notes](https://github.com/keras-team/keras/releases)
- [Commits](https://github.com/keras-team/keras/commits)

---
updated-dependencies:
- dependency-name: keras-nightly
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -42,7 +42,7 @@ jupyter-console @ file:///tmp/build/80754af9/jupyter_console_1616615302928/work
 jupyter-core @ file:///C:/ci/jupyter_core_1612213516947/work
 jupyterlab-pygments @ file:///tmp/build/80754af9/jupyterlab_pygments_1601490720602/work
 jupyterlab-widgets @ file:///tmp/build/80754af9/jupyterlab_widgets_1609884341231/work
-keras-nightly==2.5.0.dev2021032900
+keras-nightly==3.7.0.dev2024102803
 Keras-Preprocessing==1.1.2
 kiwisolver==1.3.1
 Markdown==3.3.4