Bump metrics4.version from 4.1.15 to 4.1.16 (joschi#61)

Bumps `metrics4.version` from 4.1.15 to 4.1.16.

Updates `metrics-annotation` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-core` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-jvm` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-jmx` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-servlets` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-healthchecks` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-logback` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-jersey2` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-jetty9` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-httpclient` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-jdbi` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-jdbi3` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

Updates `metrics-graphite` from 4.1.15 to 4.1.16
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](dropwizard/metrics@v4.1.15...v4.1.16)

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dropwizard-bom/pom.xml

@@ -24,7 +24,7 @@
         <jackson.version>2.9.10.20200824</jackson.version>
         <jetty.version>9.4.35.v20201120</jetty.version>
         <servlet.version>3.0.0.v201112011016</servlet.version>
-        <metrics4.version>4.1.15</metrics4.version>
+        <metrics4.version>4.1.16</metrics4.version>
         <slf4j.version>1.7.30</slf4j.version>
         <logback.version>1.2.3</logback.version>
         <h2.version>1.4.197</h2.version>