Update gcr.io/distroless/base-debian12:nonroot Docker digest to b2404f6

Author: renovate[bot]

Dockerfile

@@ -5,7 +5,7 @@ COPY . /build
 RUN cd /build && \
     go build ./cmd/http-auth-server
 
-FROM gcr.io/distroless/base-debian12:nonroot@sha256:dca858878977f01b80685240ca2cd9c1bb38958e2ab6f4ed5698c0ea23307143
+FROM gcr.io/distroless/base-debian12:nonroot@sha256:b2404f60e475452152f15fba531fa6ed4b6d1d412498f36a127597673eeaf68f
 
 COPY --from=builder /build/http-auth-server /app/http-auth-server