chore(deps): bump ubuntu in /docker-jans-monolith

Bumps ubuntu from `2b7412e` to `8eab65d`.

---
updated-dependencies:
- dependency-name: ubuntu
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

docker-jans-monolith/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:22.04@sha256:2b7412e6465c3c7fc5bb21d3e6f1917c167358449fecac8176c6e496e5c1f05f
+FROM ubuntu:22.04@sha256:8eab65df33a6de2844c9aefd19efe8ddb87b7df5e9185a4ab73af936225685bb
 
 # Don't start any optional services except for the few we need.
 RUN find /etc/systemd/system \