Update golang version

[donoghuc]

Release notes

[rn:skip]

What does this PR do?

Update go version for container artifact creation from 1.23 to 1.25

Why is it important/What is the impact to the user?

No user impact. This supports consistency in official images for dockerhub #18063

Checklist

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files (and/or docker env variables)
• I have added tests that prove my fix is effective or that my feature works

[github-actions]

🤖 GitHub comments

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Just comment with:

• run docs-build : Re-trigger the docs validation. (use unformatted text in the comment!)

[mergify]

This pull request does not have a backport label. Could you fix it @donoghuc? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-8./d is the label to automatically backport to the 8./d branch. /d is the digit.
• If no backport is necessary, please add the backport-skip label

[donoghuc]

Exhaustive tests https://buildkite.com/elastic/logstash-exhaustive-tests-pipeline/builds/2380

[elastic-sonarqube]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarQube

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: 343f4eb

[donoghuc]

Exhaustive tests are green https://buildkite.com/elastic/logstash-exhaustive-tests-pipeline/builds/2380

[donoghuc]

Closing in favor of #18083