fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN11-GLIBC-5927133
- https://snyk.io/vuln/SNYK-DEBIAN11-GLIBC-5927133
- https://snyk.io/vuln/SNYK-DEBIAN11-EXPAT-7855504
- https://snyk.io/vuln/SNYK-DEBIAN11-KRB5-7411316
- https://snyk.io/vuln/SNYK-DEBIAN11-KRB5-7411316

Dockerfile

@@ -37,7 +37,7 @@ RUN NODE_ENV=production npm run build
 
 # Now we're going to build our actual application, but not the actual production
 # image that it gets deployed into.
-FROM python:3.11.1-slim-bullseye as build
+FROM python:3.11.10-slim-bullseye as build
 
 # Define whether we're building a production or a development image. This will
 # generally be used to control whether or not we install our development and
@@ -106,7 +106,7 @@ RUN set -x \
 
 # Now we're going to build our actual application image, which will eventually
 # pull in the static files that were built above.
-FROM python:3.11.1-slim-bullseye
+FROM python:3.11.10-slim-bullseye
 
 # Setup some basic environment variables that are ~never going to change.
 ENV PYTHONUNBUFFERED 1