Bump the docker-deps group

Bumps the docker-deps group in /examples/deployment/docker/log_signer with 2 updates: golang and distroless/base-debian12.


Updates `golang` from 1.23.0-bookworm to 1.23.1-bookworm

Updates `distroless/base-debian12` from `1aae189` to `c925d12`

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker-deps
- dependency-name: distroless/base-debian12
  dependency-type: direct:production
  dependency-group: docker-deps
...

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

examples/deployment/docker/log_signer/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23.0-bookworm@sha256:31dc846dd1bcca84d2fa231bcd16c09ff271bcc1a5ae2c48ff10f13b039688f3 as build
+FROM golang:1.23.1-bookworm@sha256:1a5326b07cbab12f4fd7800425f2cf25ff2bd62c404ef41b56cb99669a710a83 as build
 
 WORKDIR /trillian
 
@@ -18,7 +18,7 @@ RUN go install ./cmd/trillian_log_signer
 RUN go run github.com/google/go-licenses/v2 save ./cmd/trillian_log_signer --save_path /THIRD_PARTY_NOTICES
 
 # Make a minimal image.
-FROM gcr.io/distroless/base-debian12@sha256:1aae189e3baecbb4044c648d356ddb75025b2ba8d14cdc9c2a19ba784c90bfb9
+FROM gcr.io/distroless/base-debian12@sha256:c925d12234f8d3fbef2256012b168004d4c47a82c4f06afcfd06fd208732fbe0
 
 COPY --from=build /go/bin/trillian_log_signer /
 COPY --from=build /THIRD_PARTY_NOTICES /THIRD_PARTY_NOTICES