Bump io.micrometer:micrometer-observation from 1.13.3 to 1.13.4

Bumps [io.micrometer:micrometer-observation](https://github.com/micrometer-metrics/micrometer) from 1.13.3 to 1.13.4.
- [Release notes](https://github.com/micrometer-metrics/micrometer/releases)
- [Commits](micrometer-metrics/micrometer@v1.13.3...v1.13.4)

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

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

gradle/libs.versions.toml

@@ -28,7 +28,7 @@ com-squareup-okhttp3-okhttp = { module = "com.squareup.okhttp3:okhttp", version.
 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-micrometer-observation = "io.micrometer:micrometer-observation:1.13.3"
+io-micrometer-micrometer-observation = "io.micrometer:micrometer-observation:1.13.4"
 io-mockk = "io.mockk:mockk:1.13.12"
 io-projectreactor-reactor-bom = "io.projectreactor:reactor-bom:2023.0.9"
 io-rsocket-rsocket-bom = { module = "io.rsocket:rsocket-bom", version.ref = "io-rsocket" }