Add Python 3.13 (#270)

* Update python.yml

* Add files via upload

* Py 3.13

* Update README.md

Adds python 3.13 to the readme

python/3.13/Dockerfile

@@ -0,0 +1,18 @@
+FROM        --platform=$TARGETOS/$TARGETARCH python:3.13-slim-bookworm
+
+LABEL       author="Michael Parker" maintainer="parker@pterodactyl.io"
+
+RUN         apt update \
+            && apt -y install git gcc g++ ca-certificates dnsutils curl iproute2 ffmpeg procps tini \
+            && useradd -m -d /home/container container
+
+USER        container
+ENV         USER=container HOME=/home/container
+WORKDIR     /home/container
+
+STOPSIGNAL SIGINT
+
+COPY        --chown=container:container ./../entrypoint.sh /entrypoint.sh
+RUN         chmod +x /entrypoint.sh
+ENTRYPOINT    ["/usr/bin/tini", "-g", "--"]
+CMD         ["/entrypoint.sh"]