Update build to bookworm

Dockerfile

@@ -18,10 +18,10 @@ RUN npm ci
 COPY assets /assets
 RUN /node_modules/.bin/webpack-cli
 
-FROM python:3-slim-bullseye
+FROM python:3.10-slim
 RUN apt-get update \
  && apt-get install -y --no-install-recommends \
-      zlib1g libfreetype6 libjpeg62-turbo libopenjp2-7 libtiff5 liblcms2-2 \
+      zlib1g libfreetype6 libjpeg62-turbo libopenjp2-7 libtiff6 liblcms2-2 \
       libpq5 libmariadb3 libxmlsec1 xmlsec1 \
  && rm -rf /var/cache/apt \
  && mkdir /app