🔧(build) bump base image versions

Author: NielsCodes

src/mpa/rspamd/Dockerfile

@@ -1,4 +1,4 @@
-FROM debian:12.10-slim
+FROM debian:13.2-slim
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends lsb-release wget gpg ruby nginx netcat-openbsd procps && \

src/mta-out/Dockerfile

@@ -1,5 +1,5 @@
 # https://hub.docker.com/_/python
-FROM python:3.13.5-slim-bookworm AS base
+FROM python:3.13.7-slim-trixie AS base
 
 # Bump this to force an update of the apt repositories
 ENV MIN_UPDATE_DATE="2025-07-14"