Bump python from 3.10.1-slim to 3.11.0a4-slim in /docker (#98)

Bumps python from 3.10.1-slim to 3.11.0a4-slim.

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

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

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

docker/devbox.dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.10.1-slim
+FROM python:3.11.0a4-slim
 
 ARG _USER="lilchz"
 ARG _UID="1001"