Bump golang

Bumps the centralized-golang-docker-deps group in /centralized-sampling-tests/sample-apps/golang-http-server with 1 update: golang.


Updates `golang` from 1.21 to 1.23

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

centralized-sampling-tests/sample-apps/golang-http-server/Dockerfile

@@ -1,5 +1,5 @@
 # Stage 0 - Build Golang sample app
-FROM golang:1.21 as builder
+FROM golang:1.23 as builder
 
 WORKDIR /app
 COPY . .