Update metrics.version to v4.2.26

Author: renovate[bot]

pom.xml

@@ -69,7 +69,7 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <scala.version>2.13.14</scala.version>
-        <metrics.version>4.2.5</metrics.version>
+        <metrics.version>4.2.26</metrics.version>
         <curator.version>3.1.0</curator.version>
         <scalatest.version>3.2.19</scalatest.version>
         <scalamock.version>6.0.0</scalamock.version>