fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-ALPINE318-EXPAT-6241039
- https://snyk.io/vuln/SNYK-ALPINE318-EXPAT-6241040

Author: snyk-bot

Dockerfile

@@ -1,11 +1,11 @@
-FROM python:3.10-alpine3.18 AS builder
+FROM python:3.13.0a4-alpine3.18 AS builder
 
 RUN apk add --no-cache cargo gcc build-base
 WORKDIR /app
 COPY requirements.txt /app/requirements.txt
 RUN pip install -r requirements.txt
 
-FROM python:3.10-alpine3.18
+FROM python:3.13.0a4-alpine3.18
 
 LABEL org.label-schema.schema-version = "1.0"
 LABEL org.label-schema.name = "NotifyMe"