Bump distroless/base-debian12 (#1604)

Bumps the all-deps group in /trillian/examples/deployment/docker/ctfe with 1 update: distroless/base-debian12.


Updates `distroless/base-debian12` from `6ae5fe6` to `8fe31fb`

---
updated-dependencies:
- dependency-name: distroless/base-debian12
  dependency-type: direct:production
  dependency-group: all-deps
...

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

trillian/examples/deployment/docker/ctfe/Dockerfile

@@ -12,7 +12,7 @@ COPY . .
 
 RUN go build ./trillian/ctfe/ct_server
 
-FROM gcr.io/distroless/base-debian12@sha256:6ae5fe659f28c6afe9cc2903aebc78a5c6ad3aaa3d9d0369760ac6aaea2529c8
+FROM gcr.io/distroless/base-debian12@sha256:8fe31fb9d159141d9c3ff99f1fd287239d89d97ea95fea1f08f82ea5f2b544da
 
 COPY --from=build /build/ct_server /