build(deps): bump golang in /examples/shared/golang

Bumps golang from 1.22.3-bookworm to 1.23.0-bookworm.

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

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

examples/shared/golang/Dockerfile

@@ -3,7 +3,7 @@ RUN rm -f /etc/apt/apt.conf.d/docker-clean \
  && echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' | tee /etc/apt/apt.conf.d/keep-cache
 
 
-FROM golang:1.22.3-bookworm@sha256:5c56bd47228dd572d8a82971cf1f946cd8bb1862a8ec6dc9f3d387cc94136976 as golang-base
+FROM golang:1.23.0-bookworm@sha256:537d736a44beb60e4eb013e2bc056a7e9d6fe6eb63e3363530c5edd83d64a93b as golang-base
 
 
 FROM golang-base as golang-control-plane-builder