Update python:3.13-slim-bullseye Docker digest to 977b53e (#292)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| python | final | digest | `60cbaa2` -> `977b53e` |

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Author: lettuce-bot[bot]

Dockerfile

@@ -1,5 +1,5 @@
 ### Use an appropriate version of Python
-FROM python:3.13-slim-bullseye@sha256:60cbaa2460a6dc129cb21d7e3600ed5b280f7f60d7405f84d64505ae5cbf37f9 AS python
+FROM python:3.13-slim-bullseye@sha256:977b53e285804e0803b85c6d75f24d6335b64f4883779bb31da91d681ff4a7c5 AS python
 
 ENV DEBIAN_FRONTEND=noninteractive