Merge pull request #735 from rabbitmq/dependabot/maven/io.dropwizard.metrics-metrics-core-4.2.9

Bump metrics-core from 4.2.8 to 4.2.9

References #717

Author: acogoluegnes

pom.xml

@@ -55,7 +55,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
     <slf4j.version>1.7.36</slf4j.version>
-    <metrics.version>4.2.8</metrics.version>
+    <metrics.version>4.2.9</metrics.version>
     <micrometer.version>1.8.4</micrometer.version>
     <jackson.version>2.13.2.2</jackson.version>
     <logback.version>1.2.11</logback.version>