[Ruby Tutorial] Bump ruby alpine docker image version to 4.0.2-alpine3.23 (#8959)

* chore: Update the value of the ruby docker image for pipelines in the...

...  'Hello World!' tutorial

Made with ❤️️ by updatecli

* chore: Update the value of the ruby docker image for scripts in the '...

... Hello World!' tutorial

Made with ❤️️ by updatecli

---------

Co-authored-by: GitHub Actions <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

content/doc/pipeline/tour/hello-world.adoc

@@ -110,7 +110,7 @@ node {
 // Declarative //
 /* Requires the Docker Pipeline plugin */
 pipeline {
-    agent { docker { image 'ruby:4.0.1-alpine3.23' } }
+    agent { docker { image 'ruby:4.0.2-alpine3.23' } }
     stages {
         stage('build') {
             steps {
@@ -123,7 +123,7 @@ pipeline {
 /* Requires the Docker Pipeline plugin */
 node {
     stage('Build') {
-        docker.image('ruby:4.0.1-alpine3.23').inside {
+        docker.image('ruby:4.0.2-alpine3.23').inside {
             sh 'ruby --version'
         }
     }