Update python:3.12-slim-bullseye Docker digest to 3c9599f (#87)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| python | final | digest | `c66cf21` -> `3c9599f` |

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Dockerfile

@@ -1,5 +1,5 @@
 ### Use an appropriate version of Python
-FROM python:3.12-slim-bullseye@sha256:c66cf219ac0083a9af2ff90e16530f16cd503c59eb7909feb3b8f3524dc1a87e AS python
+FROM python:3.12-slim-bullseye@sha256:3c9599f1a8a5c384e3a17231dd24a32777e26b3705386b3a0403086cbbd23868 AS python
 
 ENV DEBIAN_FRONTEND=noninteractive