Bump com.netflix.spectator:spectator-api from 1.7.+ to 1.8.0

Bumps [com.netflix.spectator:spectator-api](https://github.com/Netflix/spectator) from 1.7.+ to 1.8.0.
- [Release notes](https://github.com/Netflix/spectator/releases)
- [Changelog](https://github.com/Netflix/spectator/blob/main/CHANGELOG.md)
- [Commits](https://github.com/Netflix/spectator/commits/v1.8.0)

---
updated-dependencies:
- dependency-name: com.netflix.spectator:spectator-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

graphql-dgs-spring-boot-micrometer/build.gradle.kts

@@ -3,7 +3,7 @@ dependencies {
 
     implementation("io.micrometer:micrometer-core")
     implementation("commons-codec:commons-codec")
-    implementation("com.netflix.spectator:spectator-api:1.7.+")
+    implementation("com.netflix.spectator:spectator-api:1.8.+")
     implementation("com.github.ben-manes.caffeine:caffeine")
     implementation("org.springframework:spring-context-support")