Update debian:trixie-slim Docker digest to 3a39a05

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

build/Dockerfile

@@ -117,7 +117,7 @@ RUN --mount=type=bind,from=nginx-files,src=nginx_signing.rsa.pub,target=/etc/apk
 
 
 ############################################### NGINX OSS - Debian #############################################
-FROM debian:trixie-slim@sha256:020c0d20b9880058cbe785a9db107156c3c75c2ac944a6aa7ab59f2add76a7bd AS debian
+FROM debian:trixie-slim@sha256:3a39a0592364683e6bab97937b72cad5a8fa6dcbbee90edb3bb48c7f8e94f258 AS debian
 ARG NGINX_OSS_VERSION
 ARG AGENT_V3_VERSION