build(deps): bump io.dropwizard.metrics:metrics-core (#2185)

Bumps [io.dropwizard.metrics:metrics-core](https://github.com/dropwizard/metrics) from 4.2.19 to 4.2.20.
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](https://github.com/dropwizard/metrics/compare/v4.2.19...v4.2.20)

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

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

dropwizard-metrics4/pom.xml

@@ -42,7 +42,7 @@
     <dependency>
       <groupId>io.dropwizard.metrics</groupId>
       <artifactId>metrics-core</artifactId>
-      <version>4.2.19</version>
+      <version>4.2.20</version>
     </dependency>
     <dependency>
       <groupId>org.hamcrest</groupId>