Bump python from 3.12.7-slim to 3.13.1-slim

Bumps python from 3.12.7-slim to 3.13.1-slim.

---
updated-dependencies:
- dependency-name: python
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

BrowserTests.Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.12.7 AS build
+FROM python:3.13.1 AS build
 
 ENV PIP_NO_CACHE_DIR=off \
     PIP_DISABLE_PIP_VERSION_CHECK=on \
@@ -18,7 +18,7 @@ WORKDIR /opt
 COPY pyproject.toml poetry.lock ./
 RUN $POETRY_HOME/bin/poetry install --only browser-tests --no-root
 
-FROM python:3.12.7
+FROM python:3.13.1
 
 ENV PATH="/opt/.venv/bin:$PATH" \
     PYTHONUNBUFFERED=1 \

RemoteSettings.Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.12.7 AS compile
+FROM python:3.13.1 AS compile
 
 ENV PIP_NO_CACHE_DIR=off \
     PIP_DISABLE_PIP_VERSION_CHECK=on \
@@ -35,7 +35,7 @@ COPY kinto-admin/ kinto-admin/
 RUN ./pull-kinto-admin.sh
 
 
-FROM python:3.12.7-slim AS production
+FROM python:3.13.1-slim AS production
 
 ENV KINTO_INI=config/local.ini \
     KINTO_ADMIN_ASSETS_PATH=/app/kinto-admin/build/ \