build(deps): bump golang from 31dc846 to 88d9a5d in /shared/golang

Bumps golang from `31dc846` to `88d9a5d`.

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

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

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:1.23.0-bookworm@sha256:31dc846dd1bcca84d2fa231bcd16c09ff271bcc1a5ae2c48ff10f13b039688f3 AS golang-base
+FROM golang:1.23.0-bookworm@sha256:88d9a5d3de220869be9c59a417b260623a0251ed727195857d740ea64ed71c51 AS golang-base
 
 
 FROM golang-base AS golang-control-plane-builder