chore(deps): bump io.micrometer:micrometer-core from 1.15.3 to 1.15.4

Bumps [io.micrometer:micrometer-core](https://github.com/micrometer-metrics/micrometer) from 1.15.3 to 1.15.4.
- [Release notes](https://github.com/micrometer-metrics/micrometer/releases)
- [Commits](micrometer-metrics/micrometer@v1.15.3...v1.15.4)

---
updated-dependencies:
- dependency-name: io.micrometer:micrometer-core
  dependency-version: 1.15.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -63,7 +63,7 @@
     <assertj.version>3.27.4</assertj.version>
     <awaitility.version>4.3.0</awaitility.version>
     <spring-boot.version>2.7.3</spring-boot.version>
-    <micrometer-core.version>1.15.3</micrometer-core.version>
+    <micrometer-core.version>1.15.4</micrometer-core.version>
     <caffeine.version>3.2.2</caffeine.version>
     <mustache.version>0.9.14</mustache.version>
     <commons.io.version>2.20.0</commons.io.version>