fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-ALPINE319-OPENSSL-6148881
- https://snyk.io/vuln/SNYK-ALPINE319-OPENSSL-6148881
- https://snyk.io/vuln/SNYK-ALPINE319-OPENSSL-6159994
- https://snyk.io/vuln/SNYK-ALPINE319-OPENSSL-6159994

Dockerfile

@@ -1,12 +1,12 @@
-FROM python:3.10-alpine as build
+FROM python:3.13.0a3-alpine as build
 RUN apk add -U git
 RUN pip install build
 ADD . src/
 WORKDIR src
 RUN python -m build
 RUN pip install --root target/ dist/*-`cat version.txt`*.whl
 
-FROM python:3.10-alpine
+FROM python:3.13.0a3-alpine
 COPY --from=build \
 	src/target/root/.local/lib/ /usr/local/lib/
 COPY --from=build \