HDDS-10877. Bump Dropwizard metrics to 3.2.6 (#6699)

pom.xml

@@ -140,7 +140,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
     <bouncycastle.version>1.78.1</bouncycastle.version>
     <derby.version>10.14.2.0</derby.version>
     <codahale-metrics.version>3.0.2</codahale-metrics.version>
-    <dropwizard-metrics.version>3.2.4</dropwizard-metrics.version>
+    <dropwizard-metrics.version>3.2.6</dropwizard-metrics.version>
     <jacoco.version>0.8.12</jacoco.version>
     <javassist.version>3.30.2-GA</javassist.version>
     <activation-api.version>1.2.2</activation-api.version>