ci: enable windows-2025

[v1v]

Motivation/summary

Checklist

• [ ] Update CHANGELOG.asciidoc
• [ ] Documentation has been updated

For functional changes, consider:

• Is it observable through the addition of either logging or metrics?
• Is its use being published in telemetry to enable product improvement?
• Have system tests been added to avoid regression?

How to test these changes

In the CI.

Related issues

Part of https://github.com/elastic/apm-server/issues/15904

[mergify[bot]]

This pull request does not have a backport label. Could you fix it @v1v? 🙏 To fixup this pull request, you need to add the backport labels for the needed branches, such as:

• backport-7.17 is the label to automatically backport to the 7.17 branch.
• backport-8./d is the label to automatically backport to the 8./d branch. /d is the digit.
• backport-9./d is the label to automatically backport to the 9./d branch. /d is the digit.
• backport-8.x is the label to automatically backport to the 8.x branch.
• backport-active-all is the label that automatically backports to all active branches.
• backport-active-8 is the label that automatically backports to all active minor branches for the 8 major.
• backport-active-9 is the label that automatically backports to all active minor branches for the 9 major.

[kruskall]

@mergifyio backport 8.19

[mergify[bot]]

backport 8.19

✅ Backports have been created

• #17635 [8.19] (backport #15930) ci: enable windows-2025 has been created for branch 8.19