Bump python from 3.8 to 3.12

Bumps python from 3.8 to 3.12.

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

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.8 AS main
+FROM python:3.12 AS main
 
 # Install binary dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \