build: bump debian from 11.7-slim to 12.0-slim

Bumps debian from 11.7-slim to 12.0-slim.

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

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

Author: dependabot[bot]

Dockerfile.debian

@@ -14,7 +14,7 @@ RUN go mod download
 # Build the docker-gen executable
 RUN GOOS=linux go build -ldflags "-X main.buildVersion=${DOCKER_GEN_VERSION}" -o docker-gen ./cmd/docker-gen
 
-FROM debian:11.7-slim
+FROM debian:12.0-slim
 
 ARG VERSION
 ENV DOCKER_GEN_VERSION=${VERSION} \