build(deps): bump github.com/elastic/elastic-agent-libs

Bumps [github.com/elastic/elastic-agent-libs](https://github.com/elastic/elastic-agent-libs) from 0.18.6 to 0.18.8.
- [Release notes](https://github.com/elastic/elastic-agent-libs/releases)
- [Commits](elastic/elastic-agent-libs@v0.18.6...v0.18.8)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/dgraph-io/ristretto v0.2.0
 	github.com/docker/go-units v0.5.0
 	github.com/elastic/elastic-agent-client/v7 v7.17.1
-	github.com/elastic/elastic-agent-libs v0.18.6
+	github.com/elastic/elastic-agent-libs v0.18.8
 	github.com/elastic/elastic-agent-system-metrics v0.11.8
 	github.com/elastic/go-elasticsearch/v8 v8.17.1
 	github.com/elastic/go-ucfg v0.8.8

go.sum

@@ -33,8 +33,8 @@ github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkp
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/elastic/elastic-agent-client/v7 v7.17.1 h1:ORCDXzFs1JyhI5neWbTAPWCwaFi+BtKojSLiCpaAbf0=
 github.com/elastic/elastic-agent-client/v7 v7.17.1/go.mod h1:jzDEz8agLzinQEbEgLOuVM3wl6SoMybHnarQBTN1wYM=
-github.com/elastic/elastic-agent-libs v0.18.6 h1:tIIFv+lNHRro/QdJQA5LnjP7L3xPQYWVlJdOJ7T6zKw=
-github.com/elastic/elastic-agent-libs v0.18.6/go.mod h1:NNivmXK440JX06At6l7+itRJzZovbVnofogDXdskQno=
+github.com/elastic/elastic-agent-libs v0.18.8 h1:YCokiu33g0A5Glz+iizexgrv86ftItK7ono4RfNRdRw=
+github.com/elastic/elastic-agent-libs v0.18.8/go.mod h1:Repx7BMzE1v/gTipPogNIQeEnSGwOWGBC63h7h9c5aM=
 github.com/elastic/elastic-agent-system-metrics v0.11.8 h1:O12rj3Gojqa9UX8gA6Dj1XDIGeZXgXOAvxQbvC+XLbA=
 github.com/elastic/elastic-agent-system-metrics v0.11.8/go.mod h1:FgtshyeVEAxNqRoFkdL0MpCW0rHxQGFNEKjIsxfcrag=
 github.com/elastic/elastic-transport-go/v8 v8.6.1 h1:h2jQRqH6eLGiBSN4eZbQnJLtL4bC5b4lfVFRjw2R4e4=