Bump metrics-core from 4.2.14 to 4.2.15

Bumps [metrics-core](https://github.com/dropwizard/metrics) from 4.2.14 to 4.2.15.
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.2.14...v4.2.15)

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

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

Author: dependabot[bot]

pom.xml

@@ -55,7 +55,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
     <slf4j.version>1.7.36</slf4j.version>
-    <metrics.version>4.2.14</metrics.version>
+    <metrics.version>4.2.15</metrics.version>
     <micrometer.version>1.10.2</micrometer.version>
     <opentelemetry.version>1.21.0</opentelemetry.version>
     <jackson.version>2.14.1</jackson.version>