build(deps): bump github.com/elastic/elastic-agent-libs in /testing (#5308)

Bumps [github.com/elastic/elastic-agent-libs](https://github.com/elastic/elastic-agent-libs) from 0.23.0 to 0.23.1.
- [Release notes](https://github.com/elastic/elastic-agent-libs/releases)
- [Commits](elastic/elastic-agent-libs@v0.23.0...v0.23.1)

---
updated-dependencies:
- dependency-name: github.com/elastic/elastic-agent-libs
  dependency-version: 0.23.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

testing/go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/Shopify/toxiproxy/v2 v2.12.0
 	github.com/docker/docker v28.3.3+incompatible
 	github.com/elastic/elastic-agent-client/v7 v7.17.2
-	github.com/elastic/elastic-agent-libs v0.23.0
+	github.com/elastic/elastic-agent-libs v0.23.1
 	github.com/elastic/fleet-server/pkg/api v0.0.0-00010101000000-000000000000
 	github.com/elastic/fleet-server/v7 v7.0.0-00010101000000-000000000000
 	github.com/gofrs/uuid/v5 v5.3.2

testing/go.sum

@@ -47,8 +47,8 @@ github.com/ebitengine/purego v0.8.4 h1:CF7LEKg5FFOsASUj0+QwaXf8Ht6TlFxg09+S9wz0o
 github.com/ebitengine/purego v0.8.4/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
 github.com/elastic/elastic-agent-client/v7 v7.17.2 h1:Cl2TeABqWZgW40t5fchGWT/sRk4MDDLWA0d8iHHOxLA=
 github.com/elastic/elastic-agent-client/v7 v7.17.2/go.mod h1:5irRFqp6HLqtu1S+OeY0jg8x7K6PLL+DW+PwVk1vJnk=
-github.com/elastic/elastic-agent-libs v0.23.0 h1:xpMKkrw59QUYWUx/q2TMpJU+6vwB3Mw1VPhRPcGhBMo=
-github.com/elastic/elastic-agent-libs v0.23.0/go.mod h1:xSeIP3NtOIT4N2pPS4EyURmS1Q8mK0lWZ8Wd1Du6q3w=
+github.com/elastic/elastic-agent-libs v0.23.1 h1:5w1fAuK7mMUpr2jZKC7OyZApfUpYEoHnWMWNpDkSDTM=
+github.com/elastic/elastic-agent-libs v0.23.1/go.mod h1:xSeIP3NtOIT4N2pPS4EyURmS1Q8mK0lWZ8Wd1Du6q3w=
 github.com/elastic/go-sysinfo v1.15.1 h1:zBmTnFEXxIQ3iwcQuk7MzaUotmKRp3OabbbWM8TdzIQ=
 github.com/elastic/go-sysinfo v1.15.1/go.mod h1:jPSuTgXG+dhhh0GKIyI2Cso+w5lPJ5PvVqKlL8LV/Hk=
 github.com/elastic/go-ucfg v0.8.8 h1:54KIF/2zFKfl0MzsSOCGOsZ3O2bnjFQJ0nDJcLhviyk=