Fix netty-tcnative dependency resolution by adding os-maven-plugin

Add os-maven-plugin extension to resolve ${os.detected.classifier}
property needed for netty-tcnative dependency in benchmark module.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: velo

pom.xml

@@ -512,6 +512,13 @@
 
   <build>
     <defaultGoal>clean install</defaultGoal>
+    <extensions>
+      <extension>
+        <groupId>kr.motd.maven</groupId>
+        <artifactId>os-maven-plugin</artifactId>
+        <version>1.7.1</version>
+      </extension>
+    </extensions>
     <pluginManagement>
       <plugins>
         <plugin>