feat(Dependencies): Update python Docker tag to v3.12.8 (#377)

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| docker     | python  | 3.12.7 | 3.12.8 |

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.12.7
+FROM python:3.12.8
 ENV WEBHOOK_URL_PREFIX="wiki/hooks"
 RUN apt update
 RUN apt install -y unzip apache2 build-essential python3-dev python3-pip python3-setuptools python3-wheel python3-cffi libcairo2 libpango-1.0-0 libpangocairo-1.0-0 libgdk-pixbuf2.0-0 libffi-dev shared-mime-info git