Bump werkzeug from 2.0.2 to 3.0.3 in /examples/mnist_triton_e2e

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.0.2 to 3.0.3.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@2.0.2...3.0.3)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-type: indirect
...

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