fix(deps): update dependency io.dropwizard.metrics:metrics-core to v4.2.40

Author: renovate[bot]

prometheus-metrics-instrumentation-dropwizard/pom.xml

@@ -43,7 +43,7 @@
     <dependency>
       <groupId>io.dropwizard.metrics</groupId>
       <artifactId>metrics-core</artifactId>
-      <version>4.2.39</version>
+      <version>4.2.40</version>
       <scope>provided</scope>
     </dependency>