Bump golang from 1.22.0-bookworm to 1.22.1-bookworm in /integration

Bumps golang from 1.22.0-bookworm to 1.22.1-bookworm.

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

Signed-off-by: dependabot[bot] <support@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:1.22.0-bookworm@sha256:925fe3fa28ba428cf67a7947ae838f8a1523117b40e3e6b5106c378e3f97fa29 as ct_testbase
+FROM golang:1.22.1-bookworm@sha256:6699d2852712f090399ccd4e8dfd079b4d55376f3ab3aff5b2dc8b7b1c11e27e as ct_testbase
 
 WORKDIR /testbase