Update python Docker tag to v3.13 (#98)

| datasource | package | from | to   |
| ---------- | ------- | ---- | ---- |
| docker     | python  | 3.12 | 3.13 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

nap-dos/Dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.11
-FROM python:3.12-alpine
+FROM python:3.13-alpine
 
 COPY nap-dos/flaskserver.py .
 COPY nap-dos/requirements.txt .