build(deps): bump python in /events/docker (#2373)

Bumps python from 3.12.5-slim to 3.12.6-slim.

---
updated-dependencies:
- dependency-name: python
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

events/docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.12.5-slim
+FROM python:3.12.6-slim
 
 RUN pip install setuptools==74.1.2 --disable-pip-version-check --no-cache-dir --quiet