Bump io.micrometer:micrometer-observation from 1.14.7 to 1.14.8

Bumps [io.micrometer:micrometer-observation](https://github.com/micrometer-metrics/micrometer) from 1.14.7 to 1.14.8.
- [Release notes](https://github.com/micrometer-metrics/micrometer/releases)
- [Commits](https://github.com/micrometer-metrics/micrometer/compare/v1.14.7...v1.14.8)

---
updated-dependencies:
- dependency-name: io.micrometer:micrometer-observation
  dependency-version: 1.14.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -29,7 +29,7 @@ com-unboundid-unboundid-ldapsdk = "com.unboundid:unboundid-ldapsdk:6.0.11"
 com-unboundid-unboundid-ldapsdk7 = "com.unboundid:unboundid-ldapsdk:7.0.1"
 commons-collections = "commons-collections:commons-collections:3.2.2"
 io-micrometer-context-propagation = "io.micrometer:context-propagation:1.1.3"
-io-micrometer-micrometer-observation = "io.micrometer:micrometer-observation:1.14.7"
+io-micrometer-micrometer-observation = "io.micrometer:micrometer-observation:1.14.8"
 io-mockk = "io.mockk:mockk:1.14.2"
 io-projectreactor-reactor-bom = "io.projectreactor:reactor-bom:2025.0.0-M3"
 io-rsocket-rsocket-bom = { module = "io.rsocket:rsocket-bom", version.ref = "io-rsocket" }