Migrate video classification example to keras 3.0

[GuichardVictor]

This PR migrates the video classification example to keras 3.0 as requested in keras-team/keras-cv#2211

Colab

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[fchollet]

Thanks for the PR!

[fchollet]

LGTM, thank you! Please generate the md and ipynb files.

[divyashreepathihalli]

@GuichardVictor Thank you for the PR - here is the process to generate the .md and .ipynb files.
you would need to go to keras-io/scipts and run python autogen.py add_example ../examples/vision/script_name.py

[GuichardVictor]

Thanks you @divyashreepathihalli for explaining the process to generate the .md and .ipynb files. Will do it asap.

[fchollet]

LGTM, thank you!