Bump distroless/base-debian12 (#1355)

Bumps distroless/base-debian12 from `f47fa3d` to `2102ce1`.

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

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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:f47fa3dbb9c1b1a5d968106c98380c40f28c721f0f8e598e8d760169ae2db836
+FROM gcr.io/distroless/base-debian12@sha256:2102ce121ff1448316b93c5f347118a8e604f5ba7ec9dd7a5c2d8b0eac2941fe
 
 COPY --from=build /build/ct_server /