Update python Docker tag to v3.11.5 (#31)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| python | docker | patch | `3.11.4` -> `3.11.5` |

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### Configuration

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Reviewed-on: https://git.apud.pl/jacek/adventofcode/pulls/31
Co-authored-by: Renovate <renovate@apud.pl>
Co-committed-by: Renovate <renovate@apud.pl>

.drone.yml

@@ -4,7 +4,7 @@ type: kubernetes
 
 steps:
   - name: build
-    image: python:3.11.4
+    image: python:3.11.5
     commands:
       - pip install -r requirements.txt
       - pytest --no-header -v --junit-xml results.xml