Bump django from 3.2.18 to 3.2.19 in /example (#98)

Bumps [django](https://github.com/django/django) from 3.2.18 to 3.2.19.
- [Commits](django/django@3.2.18...3.2.19)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>