Bump the docker-deps group across 5 directories with 3 updates (googl…

…e#3698)

Bumps the docker-deps group with 1 update in the /examples/deployment/docker/db_server/postgresql directory: postgres.
Bumps the docker-deps group with 1 update in the /examples/deployment/docker/envsubst directory: alpine.
Bumps the docker-deps group with 1 update in the /examples/deployment/docker/log_server directory: golang.
Bumps the docker-deps group with 1 update in the /examples/deployment/docker/log_signer directory: golang.
Bumps the docker-deps group with 1 update in the /integration/cloudbuild/testbase directory: golang.


Updates `postgres` from `994cc31` to `fe4efc6`

Updates `alpine` from 3.20 to 3.21

Updates `golang` from 1.23.3-bookworm to 1.23.4-bookworm

Updates `golang` from 1.23.3-bookworm to 1.23.4-bookworm

Updates `golang` from 1.23.3-bookworm to 1.23.4-bookworm

---
updated-dependencies:
- dependency-name: postgres
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker-deps
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: docker-deps
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker-deps
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker-deps
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker-deps
...

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

examples/deployment/docker/db_server/postgresql/Dockerfile

@@ -1,4 +1,4 @@
-FROM postgres:17.2@sha256:994cc3113ce004ae73df11f0dbc5088cbe6bb0da1691dd7e6f55474202a4f211
+FROM postgres:17.2@sha256:fe4efc6901dda0d952306fd962643d8022d7bb773ffe13fe8a21551b9276e50c
 
 # expects the build context to be: $GOPATH/src/github.com/google/trillian
 COPY storage/postgresql/schema/storage.sql /docker-entrypoint-initdb.d/storage.sql

examples/deployment/docker/envsubst/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.20@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
+FROM alpine:3.21@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 
 RUN apk add --no-cache gettext
 

examples/deployment/docker/log_server/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23.3-bookworm@sha256:3f3b9daa3de608f3e869cd2ff8baf21555cf0fca9fd34251b8f340f9b7c30ec5 as build
+FROM golang:1.23.4-bookworm@sha256:ef30001eeadd12890c7737c26f3be5b3a8479ccdcdc553b999c84879875a27ce as build
 
 WORKDIR /trillian
 

examples/deployment/docker/log_signer/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23.3-bookworm@sha256:3f3b9daa3de608f3e869cd2ff8baf21555cf0fca9fd34251b8f340f9b7c30ec5 as build
+FROM golang:1.23.4-bookworm@sha256:ef30001eeadd12890c7737c26f3be5b3a8479ccdcdc553b999c84879875a27ce as build
 
 WORKDIR /trillian
 

integration/cloudbuild/testbase/Dockerfile

@@ -1,5 +1,5 @@
 # This Dockerfile builds a base image for Trillan integration tests.
-FROM golang:1.23.3-bookworm@sha256:3f3b9daa3de608f3e869cd2ff8baf21555cf0fca9fd34251b8f340f9b7c30ec5
+FROM golang:1.23.4-bookworm@sha256:ef30001eeadd12890c7737c26f3be5b3a8479ccdcdc553b999c84879875a27ce
 
 WORKDIR /testbase