Bump ubuntu from focal-20231003 to focal-20231128

Bumps ubuntu from focal-20231003 to focal-20231128.

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

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:focal-20231003
+FROM ubuntu:focal-20231128
 LABEL maintainer "fsdevops@evry.com"
 #avoid interactive dialouges from apt:
 ENV DEBIAN_FRONTEND=noninteractive LANG=C.UTF-8