chore(deps): update opendecree requirement in /examples (#159)

Updates the requirements on [opendecree](https://github.com/zeevdr/decree-python) to permit the latest version.
- [Changelog](https://github.com/zeevdr/decree-python/blob/main/CHANGELOG.md)
- [Commits](https://github.com/zeevdr/decree-python/commits)

---
updated-dependencies:
- dependency-name: opendecree
  dependency-version: 0.4.0a1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: zeev <zeevdr@users.noreply.github.com>

Author: dependabot[bot]

examples/requirements.txt

@@ -1 +1 @@
-opendecree>=0.3.0a1
+opendecree>=0.4.0a1