Bump debian from stable-20230814 to stable-20230904

Bumps debian from stable-20230814 to stable-20230904.

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

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

Dockerfile

@@ -4,7 +4,7 @@ WORKDIR /src
 RUN apk add make git
 RUN make
 
-FROM debian:stable-20230814
+FROM debian:stable-20230904
 RUN apt-get update --yes && \
     apt-get install --no-install-recommends --yes git ca-certificates && \
     rm -rf /var/lib/apt/lists/*