Update python Docker tag to v3.13

Dockerfile

@@ -1,11 +1,11 @@
 # Split out the wheel build into the non-slim image
 # See https://github.com/docker-library/python/issues/869
-FROM python:3.12 AS build
+FROM python:3.13 AS build
 COPY requirements.txt ./
 RUN --mount=type=cache,target=/var/cache/buildkit/pip \
     pip wheel --wheel-dir /wheels -r requirements.txt
 
-FROM python:3.12-slim
+FROM python:3.13-slim
 LABEL org.opencontainers.image.source=https://github.com/mdiluz/matchy
 LABEL org.opencontainers.image.description="Matchy matches matchees"
 LABEL org.opencontainers.image.licenses=Unlicense

requirements.txt

@@ -1,8 +1,8 @@
-coverage==7.6.10
+coverage==7.6.1
 discord.py==2.4.0
 dpytest==0.7.0
 flake8==7.1.1
 pytest==8.3.3
-pytest-asyncio==0.25.2
+pytest-asyncio==0.24.0
 pytest-cov==5.0.0
 schema==0.7.7