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] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -58,7 +58,7 @@
     <slf4j.version>1.7.36</slf4j.version>
     <netty.version>4.2.5.Final</netty.version>
     <metrics.version>4.2.36</metrics.version>
-    <micrometer.version>1.15.3</micrometer.version>
+    <micrometer.version>1.15.4</micrometer.version>
     <opentelemetry.version>1.54.0</opentelemetry.version>
     <jackson.version>2.20.0</jackson.version>
     <logback.version>1.2.13</logback.version>