pip-python312(deps): bump cloudevents in /components/runtimes/python312

Bumps [cloudevents](https://github.com/cloudevents/sdk-python) from 1.12.1 to 2.0.0.
- [Changelog](https://github.com/cloudevents/sdk-python/blob/main/CHANGELOG.md)
- [Commits](https://github.com/cloudevents/sdk-python/commits/2.0.0)

---
updated-dependencies:
- dependency-name: cloudevents
  dependency-version: 2.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

components/runtimes/python312/requirements.txt

@@ -9,4 +9,4 @@ opentelemetry-sdk==1.40.0
 opentelemetry-exporter-otlp-proto-http==1.40.0
 opentelemetry-propagator-b3==1.40.0
 opentelemetry-instrumentation-requests==0.61b0
-cloudevents==1.12.1
+cloudevents==2.0.0