chore(deps): Bump debian in /dockerfiles/sidekick

Bumps debian from bookworm-20230919 to bookworm-20231120.

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

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

dockerfiles/sidekick/Dockerfile

@@ -1,4 +1,4 @@
-FROM debian:bookworm-20230919 as prepare-stage
+FROM debian:bookworm-20231120 as prepare-stage
 
 COPY *sh /usr/local/bin/