build(deps): bump github.com/elastic/go-ucfg from 0.8.7 to 0.8.8

Bumps [github.com/elastic/go-ucfg](https://github.com/elastic/go-ucfg) from 0.8.7 to 0.8.8.
- [Release notes](https://github.com/elastic/go-ucfg/releases)
- [Changelog](https://github.com/elastic/go-ucfg/blob/main/CHANGELOG.md)
- [Commits](elastic/go-ucfg@v0.8.7...v0.8.8)

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

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/elastic/elastic-agent-libs v0.7.5
 	github.com/elastic/elastic-agent-system-metrics v0.9.2
 	github.com/elastic/go-elasticsearch/v8 v8.12.1
-	github.com/elastic/go-ucfg v0.8.7
+	github.com/elastic/go-ucfg v0.8.8
 	github.com/fxamacker/cbor/v2 v2.5.0
 	github.com/go-chi/chi/v5 v5.0.10
 	github.com/gofrs/uuid v4.4.0+incompatible

go.sum

@@ -48,8 +48,8 @@ github.com/elastic/go-structform v0.0.10 h1:oy08o/Ih2hHTkNcRY/1HhaYvIp5z6t8si8gn
 github.com/elastic/go-structform v0.0.10/go.mod h1:CZWf9aIRYY5SuKSmOhtXScE5uQiLZNqAFnwKR4OrIM4=
 github.com/elastic/go-sysinfo v1.13.1 h1:U5Jlx6c/rLkR72O8wXXXo1abnGlWGJU/wbzNJ2AfQa4=
 github.com/elastic/go-sysinfo v1.13.1/go.mod h1:GKqR8bbMK/1ITnez9NIsIfXQr25aLhRJa7AfT8HpBFQ=
-github.com/elastic/go-ucfg v0.8.7 h1:/bKaN553LY3MsfEIz2XOEEs+tRw03TzJCARrnVPpOyc=
-github.com/elastic/go-ucfg v0.8.7/go.mod h1:4E8mPOLSUV9hQ7sgLEJ4bvt0KhMuDJa8joDT2QGAEKA=
+github.com/elastic/go-ucfg v0.8.8 h1:54KIF/2zFKfl0MzsSOCGOsZ3O2bnjFQJ0nDJcLhviyk=
+github.com/elastic/go-ucfg v0.8.8/go.mod h1:4E8mPOLSUV9hQ7sgLEJ4bvt0KhMuDJa8joDT2QGAEKA=
 github.com/elastic/go-windows v1.0.1 h1:AlYZOldA+UJ0/2nBuqWdo90GFCgG9xuyw9SYzGUtJm0=
 github.com/elastic/go-windows v1.0.1/go.mod h1:FoVvqWSun28vaDQPbj2Elfc0JahhPB7WQEGa3c814Ss=
 github.com/elastic/gosigar v0.14.3 h1:xwkKwPia+hSfg9GqrCUKYdId102m9qTJIIr7egmK/uo=