build(deps): bump debian in /src (#134)

Bumps debian from unstable-20241202 to unstable-20241223.

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/Dockerfile

@@ -1,4 +1,4 @@
-FROM debian:unstable-20241202
+FROM debian:unstable-20241223
 LABEL maintainer="richard.steinbrueck@googlemail.com"
 
 ## Configuration ##############################################################