Bump golang in /integration in the all-deps group (#1592)

Bumps the all-deps group in /integration with 1 update: golang.


Updates `golang` from 1.23.1-bookworm to 1.23.2-bookworm

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-deps
...

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

integration/Dockerfile

@@ -1,6 +1,6 @@
 # This Dockerfile builds a base image for the certificate-transparency-go CloudBuild integration testing.
 # See https://hub.docker.com/_/golang for the set of golang base images.
-FROM golang:1.23.1-bookworm@sha256:dba79eb312528369dea87532a65dbe9d4efb26439a0feacc9e7ac9b0f1c7f607 as ct_testbase
+FROM golang:1.23.2-bookworm@sha256:18d2f940cc20497f85466fdbe6c3d7a52ed2db1d5a1a49a4508ffeee2dff1463 as ct_testbase
 
 WORKDIR /testbase