fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN12-ZLIB-6008963
- https://snyk.io/vuln/SNYK-DEBIAN12-OPENSSL-8229893
- https://snyk.io/vuln/SNYK-DEBIAN12-OPENSSL-8229893
- https://snyk.io/vuln/SNYK-DEBIAN12-APT-1541449
- https://snyk.io/vuln/SNYK-DEBIAN12-GCC12-5901316

Dockerfile

@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: MPL-2.0
 
-FROM python:3.11-slim
+FROM python:3.13-slim
 
 COPY Pipfile* /app/
 WORKDIR /app/