Bump io.micrometer:micrometer-tracing from 1.5.3 to 1.6.0 (#816)

Bumps [io.micrometer:micrometer-tracing](https://github.com/micrometer-metrics/tracing) from 1.5.3 to 1.6.0.
- [Release notes](https://github.com/micrometer-metrics/tracing/releases)
- [Commits](micrometer-metrics/tracing@v1.5.3...v1.6.0)

---
updated-dependencies:
- dependency-name: io.micrometer:micrometer-tracing
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

server/build.gradle

@@ -63,8 +63,8 @@ dependencies {
     implementation('org.springframework.boot:spring-boot-starter-jetty')
     implementation('org.springframework.boot:spring-boot-starter-security')
     implementation('io.micrometer:micrometer-core:1.15.3')
-    implementation('io.micrometer:micrometer-tracing:1.5.3')
-    implementation('io.micrometer:micrometer-tracing-bridge-otel:1.5.3')
+    implementation('io.micrometer:micrometer-tracing:1.6.0')
+    implementation('io.micrometer:micrometer-tracing-bridge-otel:1.6.0')
 
     implementation('org.projectlombok:lombok:1.18.42')
     annotationProcessor('org.projectlombok:lombok:1.18.42')