fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN12-SQLITE3-6139924
- https://snyk.io/vuln/SNYK-DEBIAN12-ZLIB-6008963
- https://snyk.io/vuln/SNYK-DEBIAN12-OPENSSL-7411350
- https://snyk.io/vuln/SNYK-DEBIAN12-OPENSSL-7411350
- https://snyk.io/vuln/SNYK-DEBIAN12-OPENSSL-8229893

Dockerfile

@@ -7,7 +7,7 @@ RUN apt-get update && apt-get install -y rustc
 COPY requirements.txt /requirements.txt
 RUN pip install --prefix=/install -r /requirements.txt
 
-FROM python:3.8-slim
+FROM python:3.14.0a3-slim
 
 WORKDIR /app